Nate the Great and the Fishy Prize – Sharmat, Marjorie Weinman – Paperback

Nate the Great is about to enter his dog, Sludge, in the smartest pet contest. But when the prize disappears, it looks as if the contest will flop.

It’s a tough case for Nate and Sludge as they search for clues leading to the missing prize. In more ways than one, it’s a very fishy business. Can Nate and Sludge find the prize in time?