gus takes the train

Let's Go to the Potty! - by Allison Jandu

The Potty Book for Boys - (Hannah & Henry) by Alyssa Satin Capucilli (Hardcover)

Very First Questions and Answers Why Should I Brush My Teeth? - by Katie Daynes (Board Book)

Cocomelon Bath Time! - by Scarlett Wing (Board Book)

Everybody Potties - by Cheri Vogel (Board Book)

Big Boys Use the Potty! - by DK (Board Book)

Thomas & Friends Tyrannosaurus Wrecks - by Cottage Door Press (Board Book)

Golden Tails - by Taylor Buske & Sara Buske (Hardcover)

Thomas & Friends: Thomas's Brave Adventure - by Lorelai Hart (Hardcover)

Fisher-Price X Big Little Feelings: Big Moments (4-Book Set) - by Big Little Feelings & Kristin Gallant & Deena Margolin & Maggie McEwen (Paperback)

Time to Use the Potty - by DK (Board Book)

I'm a Potty Superhero (Multicultural) - by Cottage Door Press (Board Book)

No More Diapers - (Campbell Big Steps) by Campbell Books

I'm Fast! - by Kate McMullan

Diaper Doggie - by Joan Morgenstern (Paperback)

Even Firefighters Go to the Potty - by Wendy Wax & Naomi Wax (Hardcover)

Subway - by Christoph Niemann (Hardcover)

Choo Choo - by Virginia Lee Burton (Paperback)

Welcome to Florida: A Little Engine That Could Road Trip - by Watty Piper (Board Book)

I'm a Potty Superhero (Multicultural) - by Cottage Door Press (Board Book)

Wow! - by HarperCollins Children's Books (Board Book)

Hello, Potty! - (Play, Turn, Shine) by Happy Yak (Board Book)

Everybody Poops! / ¡Todos hacemos popó! - (Everybody Potties! / ¡Todos a la Baci!) by Justine Avery (Paperback)

Welcome to New York: A Little Engine That Could Road Trip - by Watty Piper (Board Book)