hippos remain calm

Big Nate: Remain Calm! - by Lincoln Peirce (Paperback)

Happy Hippo, Angry Duck by Sandra Boynton (Board Book)

Never Touch a Hungry Hippo! - by Rosie Greening (Hardcover)

My Calm Down Book - by Rose Rossner (Board Book)

Hippos Go Berserk! - by Sandra Boynton (Board Book)

Ocean Friends - (Paperback)

Calm with the Very Hungry Caterpillar - (World of Eric Carle) by Eric Carle (Hardcover)

Calm-Down Time - (Toddler Tools(r) Board Books) by Elizabeth Verdick (Board Book)

Teo and the Calm Forest - (Storybook) by Daniela Vega & Francisco Cornejo (Hardcover)

Hipopótamos Bebés - by Graham Morgan (Paperback)

Fiona the Hippo - (A Fiona the Hippo Book) by Zondervan

Hippos (National Geographic Kids Readers, Level 1) - by Maya Myers & National Geographic Kids (Paperback)

Fantastic Fiona - (I Can Read! / A Fiona the Hippo Book) by Zondervan (Paperback)

Little Monkey Calms Down - (Hello Genius) by Michael Dahl (Board Book)

Rhino vs. Hippo (Who Would Win?) - by Jerry Pallotta (Paperback)

When I Am Calm - (First Behaviors) by Child's Play (Board Book)

Brume, Volume 3 - (Hardcover)

Fiona, It's Bedtime - (A Fiona the Hippo Book) by Zondervan

Hippos Go Berserk! - by Sandra Boynton (Board Book)

Hippo - (Remarkable Wildlife) by John Lesley (Paperback)

A Not-So-Scary Story - by Barney Saltzberg (Hardcover)

Bill the Dog - by Chris Britt (Hardcover)

Hippopotamess - by Sudipta Bardhan-Quallen (Hardcover)

Hippo Says Excuse Me - (Hello Genius) by Michael Dahl (Board Book)