After Jabari completes his swimming lessons and passes his swim test, he's ready to jump off the diving board--well, very nearly ready. He just needs to work up his courage first.

One hot day, a little girl and her cat enjoy a backyard pool.

One very hot summer, Eric Dooley watches his younger sister go from her first swimming lesson all the way to the diving board, while his fear of the water keeps him from joining her and the rest of the people of Clermont County in the pool.

"It is a perfect day of sun, splashing, and swimming in the sparkling blue pool... until my brother needs a poop. But can we get him to the toilet on time?"--Page 2 of cover.

When the Bobs, who are slobs, and the Tweets, who are neat, move to the same neighborhood there are inevitable conflicts--especially when the two families try to use the community swimming pool at the same time.

Senior Sasquatch wants to relax beside Mr. Blobule's pool without getting wet, but he is thoroughly splashed by the other guests, who then pitch in to dry his "squizzilefied" fur.

Wearing her burkini to the community pool for the first time, Heba stands out more than she likes, but she shows her friends that she can swim and play the same way they can, even though her swimsuit looks different.

A young boy discovers a whale in his pool and tries everything he can think of to get it out.

From what to wear (a swimsuit, of course) to what to expect (no, your teacher will not be a mermaid), 1, 2, 3, Jump! covers the what ifs and how tos of getting in the pool for the first time. There's a lot to worry about (can I be sucked into the filter?) and even more to be excited about (when can I wear flippers?), and our narrator has thought of everything. By the last page, you to will want to jump in!