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 12013 Book 22014 Book 32015 Book 42016 Book 52018 Book 62019 Book 72020 Book 82022 Book 92023 View Chris BooksNewsletter
