A companion to the Theodor Seuss Geisel Award winner The fabulous fox sisters return in three wry adventures for beginning readers. It's springtime, and little sister Ivy wants to prove she can keep a secret, but there are some secrets that are too good to keep. Big sister Zelda longs to play the perfect April Fool's Day prank, but can she outsmart the clever Ivy? And will opera star hopeful Zelda be upstaged by a butterfly in the final...