Pilkey, Dav ; Ontiveros, Martin Ricky Ricottas Mighty robot US : the Mecha Monkeys from Mars - 1st ed. - New York : Scholastinc Inc., 2002. - 143 p. ISBN: 0-439-25296-2 Subjects--Topical Terms: LITERATURA ESTADOUNIDENSE Dewey Class. No.: 813 / P639r