Thaler, Mike There's a Hippopotamus under My Bed / M. Thaler; Ill. R. Cruz. - New York ; London : Franklin Watts, 1977. - [32] p. : ill. ; 22 cm. - An Easy-Read Story Book . ISBN: 0-531-01339-1 0-531-01318-9 Subjects--Topical Terms: Childish literature--Short story Subjects--Index Terms: Animals