> For the complete documentation index, see [llms.txt](https://dave-lecompte.gitbook.io/125-questions-about-pentominoes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dave-lecompte.gitbook.io/125-questions-about-pentominoes/master.md).

# Introduction

This is a book about pentominoes.