Geisel, Theodor Seuss Horton hears a who! / by Theodor Seuss Geisel - [64] pages : color illustrations ; 28 cm A city of Whos on a speck of dust are threatened with destruction until the smallest Who of all helps convince Horton's friends that Whos really exist. Primary ISBN: 9780007922895 Subjects--Topical Terms: Fantasy--FictionElephants--Fiction Dewey Class. No.: Fic.