is a children's picture book written and illustrated by Mo Willems, published in 2012 by Hyperion Books for Children.

It is a book in the Elephant and Piggie series.

Gerald decides they need a number of items for the trip like bags, a map, sunglasses and umbrellas.

Kirkus Reviews finds that "The dauntless duo’s 18th outing employs Willems’ award-winning formula: color-coded speech bubbles; lots of white space; endearing visual characterization ... effortless phonetic play; thoughtfully designed endpapers; silliness.

"[2] Common Sense Media believes that it "...gives new readers a fun lesson in being flexible.