# Lighthouse Book Contains an [mdBook](https://github.com/rust-lang-nursery/mdBook) that serves as the primary source of Lighthouse user documentation. The book is hosted at [lighthouse-book.sigmaprime.io](http://lighthouse-book.sigmaprime.io). ## Usage The [mdBook docs](https://github.com/rust-lang-nursery/mdBook#usage) are the best source of information for building the book. ### Example 1. Install mdBook: `$ cargo install mdbook` 1. Build the book, open it in a browser and build after file changes: `$ mdbook watch --open`