You can also read a rendered version.
This book use mdbook. You can install them via rustup and cargo:
$ rustup install stable
$ cargo install mdbook
$ export PATH=$PATH:$HOME/.cargo/bin
$ git clone https://git.robur.coop/robur/mollymawk-handbook
$ cd mollymawk-handbook
$ mdbook serveYou can see the book on http://localhost:3000