It's springtime and little sister Ivy wants to prove she can keep a secret – but some secrets are just too good to keep. Big sister Zelda wants to play the perfect April fool's prank, but can she outsmart clever Ivy? And will opera star Zelda be upstaged by a butterfly in the final act?

Reviews
"The appeal here lies in the relationships among the three foxes, (Zelda and Ivy plus their neighbor, Eugene), and the strong sense of neighborhood comradeship. Geisel Award-winner Kvasnosky is particularly adept at capturing the everyday details of life as a child and presenting them in accessible text that will reward novice effort."