Lowly Worm Disguised as a Fish Submarine

Deep Sea Farm

Professor Calculus's Shark Submarine

Looking at Picture Books

The Wonder-World of Scientific Artist Else Bostelmann (Article)

Richard Scarry's Busytown Postcards

Terrestrials

Doctor De Soto

Where Do Eels Come From?

Higglety Pigglety Pop! or There Must Be More to Life

Your Rock

Mouse on the River

Mister Rogers' Neighborhood: Episode 1711 (Eric Carle visits)