When Andrew and Judy's neighbor gives her dog a bath, microscopic Andrew and Judy find themselves washed off the dog and lost in the bathroom! They'll have to use their wits-and Thudd's storehouse of facts-if they're to survive run-ins with mold, mildew, an ocean of soapy water, and a predatory spider on their way back to the Atom Sucker.

J. C. Greenburg; illustrated by Debbie Palen