graph TD A[Plain text files, images, ebook title, author name] --> B{Content Formatting} B --> C[Skill #227 - Format content into HTML] C --> D[HTML files for each section] A --> E{Title Page and Table of Contents Creation} E --> F[Skill #237 - Create title page] E --> G[Skill #227 - Generate table of contents] F --> H[HTML file for title page] G --> I[HTML file for table of contents] D --> J{PDF Generation} H --> J I --> J J --> K[Skill #220 - Concatenate HTML files] K --> L[Skill #203 - Convert HTML to PDF] L --> M[Well-formatted PDF ebook]