Books Written by Chris Grabenstein & James Patterson View Chris BooksNewsletter All THE TREASURE HUNTERS SERIES (8-12) THE MAX EINSTEIN SERIES (8-12) THE JACKY HA-HA SERIES (8-12) THE KATT-DOGG SERIES (8-12) THE I FUNNY SERIES (8-12) THE HOUSE OF ROBOTS SERIES (8-12) CO-AUTHORED STANDALONES Book 12012 Book 22013 Book 32014 Book 42015 Book 52017 Book 62018 View Chris BooksNewsletter
