Simon & Schuster Inc. published two volumes of a book series titled Sprouse Bros. 47 R.O.N.I.N. , which was described as featuring the Sprouse twins as `` young James Bonds or undercover agents '' ; the book series continued .
In 2007 Simon & Schuster Inc. published the two volumes of a book series named Sprouse Bros. 47 R.O.N.I.N. , about two young spies .