This classic counting story was the first Sandra Boynton book ever published and is now being rereleased in hardcover to celebrate its 45th anniversary!The story begins quite simply, with no hint of the chaos ahead: One hippo, all alone, calls two hippos on the phone… Exuberant hippopotamus guests show up in ever-increasing numbers, until an all-night party is inevitable. Completely redrawn, this snazzy new edition honors the enduring power of a deft and nuanced depiction of the Hippo Condition.