User blog comment:SayuriDarling/The House of Hades Official Discussion/@comment-10750309-20131010223119/@comment-4727448-20131010223247

Everything with Bob.

Uncle Rick:

Calypso and Bob the Titan will both have small roles in the book.

Riordan plz. Bob is a major character and is the only reason the heroes are still alive. And Calypso gave Leo a serious edge.