You can have different categories. Background image or color can be adjusted easily.
Easily add crafting recipes by just specifying their recipe id.
You can combine images with text. Text can be localized if desired.
Add pages to describe individual items or blocks. Also you can choose to automatically generate as many pages as necessary to display the localized strings. Strings are automatically wrapped and can be manually formatted using TextFormatting
Item overview
Easily add custom recipe types or customize the book. Vampirism e.g. introduces page links