Otter Nonsense
A collection of puns based on animals, including "Lemming meringue pie," "Crocoduel," and "Pupsicle."
A Surfeit of Similes
The Dot and the Line: A Romance in Lower Mathematics
Alberic the Wise and Other Journeys
The Odious Ogre
The Hello, Goodbye Window
The Phantom Tollbooth
Neville
Sourpuss And Sweetie Pie