# mdbook > Create online books by writing Markdown files. > More information: . - Create an mdbook project in the current directory: `mdbook init` - Create an mdbook project in a specific directory: `mdbook init {{path/to/directory}}` - Clean the directory with the generated book: `mdbook clean` - Serve a book at , auto build when file changes: `mdbook serve` - Watch a set of Markdown files and automatically build when a file is changed: `mdbook watch`