Written by Patricia Thackray
Illustrator Joe Mathieu
Published 1977
Publisher Random House
ISBN 0307123561

What Ernie and Bert Did on Their Summer Vacation is a 1977 Sesame Street storybook about Ernie and Bert driving to the beach. Along the way, they visit with Farmer Grover and drive through a jungle.

The book was also reissued in 1986 as part of the Story Land book collection of Sesame Street stories.