BIONICLE: Rahi Beasts

 is a book by Greg Farshtey naming facts about various Rahi. The book tells about all known Rahi such as Nui-Jaga and, if known, their origin and abilities. The book also mentions several previously unknown Rahi such as Fader Bulls, created by fans. The first place Rahi, the Tahtorak, was featured in Bionicle Adventures 8: Challenge of the Hordika, and was featured on the cover of the book.