Book 1

Dear Beast

by Dori Hillestad Butler

Published 28 April 2020
A jealous cat really, really, REALLY wants to drive away his young owner's new dog in this playful illustrated chapter book from a two-time Geisel Honor winner.

Simon has taken care of his owner, Andy, for many years. He's a good cat. Clean, responsible, and loyal. What more could a boy want? Even when Andy's dad moves out, Simon is certain that Andy doesn't need another pet. So why would Andy's dad adopt a DOG?! To make matters worse, the animal is a rude, rowdy troublemaker.

Simon's job is clear: the beast has got to go. He decides to write him a letter. Strongly worded, of course. But when the dog's response sets off an unexpected correspondence, Simon realizes the beast may be here to stay. Can he make room for another pet in Andy's life?

This funny and heartwarming collaboration between Geisel Honor and Edgar Award-winning author Dori Hillestad Butler and bestselling illustrator Kevan Atteberry is a tribute to the love of a good pet - and the joy found in new friendship. With nine chapters and adorable full-color illustrations on every spread, the series is perfect for kids transitioning from picture books to chapter books.

A Junior Library Guild Selection

Book 2

The Pet Parade

by Dori Hillestad Butler

Published 2 February 2021
A snobby cat and a good-natured dog fight over the chance to dress up with their owner in this playful illustrated chapter book series told in letters.

It's time for the annual city pet parade! Only one pet can win first place . . . Simon the cat has always hated wearing costumes, so he decides it's okay for Andy's new dog, Baxter, to march with Andy instead. This way, Simon gets to avoid a costume and keep his dignity.

But when Baxter keeps the costume plans a secret, Simon changes his mind. His boy Andy needs him! Who knows what trouble Baxter is up to? That beast can't be trusted--and it's Simon's job to save the day.

This funny and heartwarming collaboration between Geisel Honor and Edgar Award-winning author Dori Hillestad Butler and bestselling illustrator Kevan Atteberry is a tribute to the love of a good pet. With eight chapters and adorable full-color illustrations on every spread, the series is purr-fect for parents to share with their beginning readers.

A Junior Library Guild Gold Standard Selection

Book 3

Someone Is Missing!

by Dori Hillestad Butler

Published 14 September 2021
Who says cats and dogs don't get along? A snobby cat and a good-natured dog team up—sort of—to solve the mystery of a missing classroom pet in this playful illustrated chapter book told in letters.

Simon the cat and Baxter the dog have finally learned how to share their owner, Andy. It helps that Simon lives with Andy's mom and Baxter lives with Andy's dad. When a problem comes up, they simply exchange letters to sort it out. Baxter's spelling has even improved . . . though not by much.

But then Andy's class pet goes missing, which causes an argument with his friend Noah. Andy is so, so sad. Both Simon and Baxter want to solve the mystery and make Andy happy again. Which pet will collect the clues and piece together the solution? 

This funny and heartwarming collaboration between Geisel Honor and Edgar Award-winning author Dori Hillestad Butler and bestselling illustrator Kevan Atteberry is a tribute to the love of a good pet and the joy found in new friendship. With eight chapters and adorable full-color illustrations on every spread, the series is a perfect read for parents to share with kids.

Book 4

Simon Sleeps Over

by Dori Hillestad Butler

Published 8 February 2022
A stuck-up cat and a good-natured dog are pen pals from a distance, until a disastrous sleepover brings them together in this playful illustrated chapter book told in letters.

Andy has two pets and two houses: a cat, Simon, at his mom’s house and a dog, Baxter, at his dad’s house. But when Andy’s mom goes on a business trip, Simon must spend a few nights at Andy’s dad’s house. A sleepover with the beast? Simon says, "No, thank you."

Baxter, on the other hand, is sooooo excited to play together. He and Simon can go on walks! Stay up late! Eat liver treats! He can’t wait to finally meet his pen pal in person. What could go wrong?

The big introduction does NOT go well for these wildly different pets. Simon is so desperate to get back home to his quiet, clean oasis that he escapes through a basement window. Can Baxter convince him to return before Andy notices his beloved cat is gone? 

This funny and heartwarming collaboration between Geisel Honor and Edgar Award–winning author Dori Hillestad Butler and bestselling illustrator Kevan Atteberry is a tribute to the love of a good pet—and the joy found in new friendship. With nine chapters and adorable full-color illustrations on every spread, the series is a perfect read for parents to share with kids.

Named to the Delaware Diamonds Book List