Leedy, Loreen. 2 x 2 = Boo! : a set of spooky multiplication stories / written and illustrated by Loreen Leedy. - New York : Holiday House, c1995. - 32 p. : col. ill. Spooky characters make multiplication fun. Includes a multiplication table. ISBN: 0823411907 (trade) LCCN: 94046711 Subjects--Topical Terms: Multiplication LC Class. No.: QA115.L443 1995 Dewey Class. No.: 512.2/13