Thank you for purchasing the EPUB Generator Skill for Claude! This powerful skill transforms Claude into your personal ebook publishing assistant, capable of converting Markdown documents into professional EPUB ebooks with auto-generated neo-brutalism covers.

This guide walks you through the complete installation process, from downloading your skill to creating your first ebook.

What You Just Purchased

The EPUB Generator Skill enables Claude to:

• Convert Markdown to EPUB - Single documents or multi-chapter books
• Auto-generate covers - Beautiful neo-brutalism designs in 8 color schemes
• Extract web articles - Download HTML articles and convert to ebooks
• Create professional ebooks - Valid EPUB files ready for any e-reader
• Manage complex projects - Support for custom NCX files and metadata

Perfect for:

• Content creators publishing ebooks
• Technical writers creating documentation
• Bloggers packaging articles into books
• Educators creating course materials
• Anyone who wants to turn Markdown content into readable ebooks

Prerequisites

Before you begin, ensure you have:

• ✅ Purchase confirmation - You should have received an email with your download link
• ✅ Claude Pro, Max, Team, or Enterprise plan - Skills require a paid Claude plan
• ✅ Code execution enabled - Required for running Python scripts
• ✅ Access to Claude.ai - Active account at claude.ai

Part 1: Download Your Skill

Step 1: Locate Your Download Link

After purchasing, you’ll receive access to download the skill ZIP file:

Option A - From Confirmation Email:

1. Open the purchase confirmation email from Polar
2. Look for the “Download EPUB Generator Skill” button
3. Click to start downloading the ZIP file

Option B - From Polar Dashboard:

1. Log into your account at polar.sh
2. Navigate to “My Purchases” or “Downloads”
3. Find “EPUB Generator Skill” in your purchase list
4. Click the “Download” button

Step 2: Save the ZIP File

1. Choose a location (we recommend your Downloads folder)
2. Wait for the download to complete
3. Important: Do not extract or modify the ZIP file
4. The file should be named something like: epub-generator-skill.zip

Step 3: Verify Your Download

Your downloaded file should:

• Have a .zip extension
• Be approximately 2-5 MB in size
• Contain the complete skill folder structure

The ZIP is already in the correct format for upload - no preparation needed!

Part 2: Install on Claude.ai

Step 1: Open Claude Settings

1. Navigate to claude.ai
2. Click your profile icon (top-right corner)
3. Select Settings

Step 2: Navigate to Skills

1. In the left sidebar, click Capabilities
2. Click on Skills
3. You’ll see the skills management interface

Important: If you don’t see the Skills option:

• Verify you’re on a Pro/Max/Team/Enterprise plan
• Check that code execution is enabled in Capabilities
• Try refreshing your browser

Step 3: Upload Your Skill

Method A - Click Upload:

1. Click the “Upload skill” button
2. Browse to your Downloads folder
3. Select epub-generator-skill.zip
4. Click “Open”

Method B - Drag and Drop:

1. Open your file browser to Downloads folder
2. Drag the ZIP file from your browser
3. Drop it directly into the Claude Skills upload area
4. Wait for upload confirmation

Step 4: Wait for Validation

Claude will automatically:

• Extract the skill files
• Validate the structure
• Install Python dependencies
• Prepare the skill for use

This may take 30-60 seconds. You’ll see a progress indicator.

Step 5: Enable Your Skill

1. Find “EPUB Generator” in your skills list
2. Toggle the switch to ON (green)
3. You’ll see a confirmation message
4. The skill is now active and ready to use!

Part 3: Using Your EPUB Generator Skill

Quick Start - Create Your First Ebook

Once installed, simply ask Claude to create an ebook:

Create an EPUB ebook from my article.md file.
Title: "Understanding System Design"
Author: "John Doe"
Output: system-design.epub

Claude will:

1. Activate the EPUB Generator skill
2. Run the conversion script
3. Generate a professional cover
4. Create the EPUB file
5. Provide download link

Common Use Cases

1. Single Article to Ebook

Convert my blog-post.md to an EPUB with:
- Title: "10 Python Tips"
- Author: "Your Name"
- Pink cover color

2. Multi-Chapter Book

Create an EPUB book from these chapters:
- chapter-01.md
- chapter-02.md
- chapter-03.md

Title: "Complete Python Guide"
Author: "Your Name"
Use cyan cover with seed 42

3. Web Article to Ebook

Download this article and convert to EPUB:
https://example.com/article

Clean up the markdown and create an ebook titled "Article Title"

4. Custom Cover Design

Generate an EPUB from book.md with:
- Title: "My Masterpiece"
- Top text: "Tech Series"
- Bottom text: "Volume 1"
- Yellow cover, seed 42

Available Cover Colors

• yellow - Bright and energetic
• pink - Creative and bold
• cyan - Cool and professional
• green - Fresh and natural
• orange - Warm and friendly
• purple - Elegant and sophisticated
• red - Bold and attention-grabbing
• random - Let Claude surprise you!

Pro Tip: Use the same seed number (e.g., seed 42) across a book series to maintain consistent color schemes.

Part 4: Advanced Features

Multi-Chapter Books

For longer books, organize your content into separate Markdown files:

Create a book from:
1. intro.md
2. basics.md
3. advanced.md
4. conclusion.md

Title: "Mastering Python"
Generate table of contents from H1 headings

Claude automatically:

• Extracts chapter titles from first H1 in each file
• Creates table of contents
• Orders chapters sequentially
• Links everything properly

Custom NCX Control

For advanced users needing precise control over table of contents:

Create EPUB with custom NCX file:
- Input: ch1.md, ch2.md, ch3.md
- NCX: custom-toc.ncx
- Title: "Advanced Guide"

Use this when you need:

• Custom chapter ordering
• Nested sub-chapters (multi-level TOC)
• Precise control over chapter IDs

Markdown Frontmatter

Include metadata in your Markdown files:

---
title: My Book Title
author: Author Name
publisher: My Publishing House
---

# Chapter 1

Your content here...

Claude will automatically extract and use this metadata.

Web Article Conversion

Download and convert web articles:

1. Download this article to markdown:
   https://blog.example.com/great-article

2. Clean up the markdown (remove ads, nav, footers)

3. Create EPUB titled "Great Article" by "Original Author"

Troubleshooting

Upload Failed

Problem: ZIP file rejected during upload

Solutions:

• ✓ Ensure complete download (check file size is 2-5 MB)
• ✓ Try downloading again from Polar
• ✓ Use a different browser (Chrome or Firefox recommended)
• ✓ Clear browser cache and try again
• ✓ Don’t extract and re-compress - use original file

Still having issues? Contact support with your purchase confirmation.

Skill Not Activating

Problem: Skill uploaded but Claude isn’t using it

Solutions:

• ✓ Confirm the skill toggle is ON (green)
• ✓ Verify code execution is enabled in Settings → Capabilities
• ✓ Check you’re on Pro/Max/Team/Enterprise plan
• ✓ Try explicitly mentioning “Use the EPUB Generator skill”
• ✓ Restart your browser and try again

Python Dependency Errors

Problem: Errors about missing modules

Solution: This shouldn’t happen with Claude.ai as dependencies are auto-installed. If you see this error:

1. Toggle the skill OFF then ON again
2. Wait 60 seconds for re-initialization
3. Contact support if issue persists

Invalid EPUB Output

Problem: Generated EPUB won’t open in e-reader

Solutions:

• ✓ Ensure your Markdown is valid (check for unclosed code blocks)
• ✓ Verify image links are accessible
• ✓ Test with calibre or Apple Books for detailed error messages
• ✓ Ask Claude to validate the EPUB structure

Cover Generation Issues

Problem: Cover not generating or looks incorrect

Solutions:

• ✓ Ensure title and author are provided
• ✓ Try a different color scheme
• ✓ Avoid special characters in title/author names
• ✓ Ask Claude to regenerate just the cover

Part 5: Claude Code (CLI) Installation

If you use Claude Code on your local machine, you can install the skill there too:

Step 1: Extract the Skill

# Navigate to downloads
cd ~/Downloads

# Extract the ZIP
unzip epub-generator-skill.zip

Step 2: Install to Claude Code

# Copy to Claude skills directory
cp -r epub-generator ~/.claude/skills/

# Install Python dependencies
cd ~/.claude/skills/epub-generator
pip3 install -r requirements.txt

Step 3: Verify Installation

# Check skill is installed
ls ~/.claude/skills/epub-generator

# You should see:
# - generate_epub.py
# - generate_cover.py
# - download_html_to_md.py
# - requirements.txt
# - SKILL.md
# - fonts/
# - examples/

Step 4: Use in Claude Code

Start Claude Code and the skill will be automatically available:

claude

# Then ask Claude:
# "Use the EPUB Generator skill to convert my-article.md to an ebook"

Best Practices

1. Organize Your Content

Single Articles:

article.md

Multi-Chapter Books:

book/
  ├── chapter-01-intro.md
  ├── chapter-02-basics.md
  ├── chapter-03-advanced.md
  └── chapter-04-conclusion.md

2. Use Clear Headings

Start each chapter with a clear H1 heading:

# Chapter 1: Introduction

Your content here...

3. Test Your EPUBs

Always test generated EPUBs in:

• calibre (free, all platforms) - Best for validation
• Apple Books (macOS/iOS) - Great for visual check
• Your target e-reader - Final compatibility check

4. Maintain Consistency

For book series:

• Use the same seed number for covers
• Maintain consistent chapter structure
• Use similar frontmatter across books
• Keep similar file naming conventions

5. Version Your Content

Keep source Markdown files organized:

my-book/
  ├── v1/
  │   └── chapters/
  ├── v2/
  │   └── chapters/
  └── final/
      └── chapters/

Real-World Examples

Example 1: Blog Post Collection

Scenario: Convert 12 blog posts into a single ebook

Create an EPUB from these blog posts:
1. post-01-intro.md
2. post-02-basics.md
... (all 12 files)

Title: "Blog Posts 2024: Best of Tech"
Author: "Your Name"
Publisher: "Your Blog"
Purple cover, seed 100

Result: Professional ebook ready for Amazon KDP or free distribution.

Example 2: Technical Documentation

Scenario: Package API documentation as an ebook

Convert my API docs to EPUB:
- 01-getting-started.md
- 02-authentication.md
- 03-endpoints.md
- 04-examples.md

Title: "API Documentation v2.0"
Author: "Your Company"
Cyan cover (professional look)

Result: Portable documentation that developers can read on any device.

Example 3: Course Materials

Scenario: Create ebook from online course content

Download and convert these course pages:
- https://course.example.com/lesson-1
- https://course.example.com/lesson-2
- https://course.example.com/lesson-3

Clean markdown, create ebook:
Title: "Python Course 101"
Author: "Instructor Name"

Result: Offline-readable course materials for students.

Frequently Asked Questions

Q: Can I download my skill multiple times?

A: Yes! Your purchase includes lifetime download access. Re-download anytime from your Polar account.

Q: How many EPUBs can I create?

A: Unlimited! Once purchased, use the skill to create as many ebooks as you want.

Q: Can I use the skill on multiple Claude accounts?

A: The skill is licensed per user. Each team member needs their own purchase. Contact us for team licensing (5+ users).

Q: What if I lose the download link?

A: Simply log into your Polar account at polar.sh and access your purchases. All downloads are permanently available.

Q: Do you offer refunds?

A: Yes! We offer a 30-day money-back guarantee. If the skill doesn’t meet your needs, contact support for a full refund.

Q: Will I get updates?

A: Yes! All updates and improvements are free for existing customers. You’ll receive email notifications when new versions are available.

Q: What Markdown features are supported?

A: Comprehensive support including:

• Headings (H1-H6)
• Bold/italic text
• Code blocks with syntax highlighting
• Tables
• Lists (ordered/unordered)
• Links and images
• Blockquotes
• Horizontal rules
• YAML frontmatter

Q: Can I customize the cover fonts?

A: The skill includes professionally selected fonts (Bricolage Grotesque for neo-brutalism). Custom fonts require modifying the Python scripts.

Q: Does this work with API/Programmatic Claude?

A: This skill is optimized for Claude.ai and Claude Code. API integration requires custom setup. Contact us for API implementation guidance.

Q: Can I get bulk/team pricing?

A: Yes! Email [email protected] for team pricing on 5+ licenses. We offer volume discounts.

Q: What e-readers are supported?

A: Generated EPUBs work with:

• Kindle (via calibre conversion)
• Apple Books
• Google Play Books
• Kobo
• Nook
• Any EPUB 3.0 compatible reader

Q: Can I sell ebooks created with this skill?

A: Yes! You own the EPUBs you create. Sell on Amazon KDP, Gumroad, or any platform. No royalties or restrictions.

What’s Next?

Now that you’ve successfully installed your EPUB Generator skill:

1. Create Your First Ebook

Start with a simple single-file conversion to get familiar with the workflow.

2. Explore Advanced Features

Try multi-chapter books, custom covers, and web article conversion.

3. Share Your Success

Tag us on social media when you publish your first ebook! We love seeing what our users create.

4. Browse Other Skills

Check out our other Claude skills:

• PDF Extraction Skill - Extract structured data from PDFs
• Code Review Skill - Automated code quality analysis
• Data Analysis Skill - Statistical analysis and reporting

5. Request Custom Development

Need a custom skill for your specific workflow? Contact us for custom development services.

Need Help?

We’re here to support you every step of the way:

📧 Email Support

[email protected] - Response within 24 hours

💬 Community

Join our Discord community to:

• Share your ebooks
• Get tips from other users
• Request features
• Show off your covers

📚 Documentation

Visit our help center for:

• Video tutorials
• Advanced guides
• Code examples
• Troubleshooting database

🎥 Video Tutorials

Check our YouTube channel for:

• Installation walkthrough
• Feature demonstrations
• Real-world examples
• Tips and tricks

Purchase Support

• Access downloads: Your Polar Account
• View purchase history: Polar dashboard
• Request refund: Email support within 30 days
• Team licensing: Contact us for quotes

Additional Resources

• Claude Skills Documentation
• EPUB Specification
• Markdown Guide
• calibre E-book Manager

Ready to Create Amazing Ebooks?

You now have everything you need to start creating professional EPUBs with Claude. Transform your Markdown content into beautiful ebooks in minutes.

Quick Start:

1. Open Claude.ai
2. Upload your Markdown file
3. Say: “Create an EPUB from this file titled ‘[Your Title]’”
4. Download and enjoy your ebook!

Questions? Feedback? Success Stories?

We’d love to hear from you! Email us at [email protected] or join our community.

Happy ebook creating! 📚✨

Transform your words into books. Start creating today.