This outlandish whodunit will keep readers guessing and laughing all the way to the surprise ending! Mili the guppy is missing! But have no fear, P.I. Butterfly is on the case. She’ll stop at nothing to solve the mystery. Did Mili survive her fish-bowl fiasco, or is she gone for good? P.I.B. won’t stop until she flutters to the truth, no matter where it leads. "Kids will laugh and learn as P.I. Butterfly solves the case!" - Jim Benton, NYT bestselling author (Dear Dumb Diary, Catwad)