Betty G. Birney

It’s the HAPPY-HAPPY-HAPPY holidays! The holidays are coming and Humphrey is unsqueakably excited. He loves to hear about all the different ways his friends in Room 26 celebrate and to watch them make costumes and learn songs for the Winter Wonderland pageant. (He even squeaks along!) But with...

The fourth book in the beloved and award-winning school hamster series! A classroom hamster has to be ready for anything, but suddenly there are LOTS-LOTS-LOTS of big surprises in Humphrey's world. Some are exciting, like a new hamster ball. But some are scary, like a run-in with a cat and a new...

The sixth book in the beloved and award-winning school hamster series! When Humphrey hears that school is ending, he can't believe his ears. What's a classroom hamster to do if there's no more school? It turns out that Mrs. Brisbane has planned something thrilling for Humphrey and Og the frog...

A new school year and new friends for everyone's favorite classroom pet! Humphrey is excited to get back to Room 26 and see all his old classmates. But on the first day of school, a bunch of strange kids arrive and no matter how loudly he squeaks up, they don't realize they're in the wrong room!...

Spring is in the air, and lots of things are growing—including the Room 26 family! Signs of spring are very exciting to everyone at Longfellow School. Mrs. Brisbane's class has seen flowers poking out of snow and baby birds hatching, and Just-Joey even brought in tadpoles that are growing into...

Humphrey's eleventh adventure celebrates stories, writing, and the power of the imagination! Imaginations are running wild in Mrs. Brisbane’s class, but Humphrey is stumped. His friends are writing about where they would go if they could fly, but Humphrey is HAPPY-HAPPY-HAPPY right where he is...

Humphrey is back in his tenth adventure in the beloved middle-grade series! So many secrets are flying around Room 26 that Humphrey can barely keep track. Mrs. Brisbane knows a student is leaving, but Humphrey can't figure out which one. (Even more confusing, Mrs. Brisbane seems unsqueakably...

In the third book in the spinoff of the Humphrey series, Og and Humphrey head to summer camp to see what's hopping in the wilderness! Og didn't know where he would end up when school was over, but it turns out Camp Happy Hollow is just about the best place ever. Lovely nature is all around...

EEK-EEK-EEK! Mrs. Brisbane is missing! Humphrey has always investigated things, like why Speak-Up-Sayeh was so quiet and Tall-Paul and Small-Paul didn't get along, but this is a true mystery--Mrs. Brisbane is missing! She just didn't show up in Room 26 one morning and no one told Humphrey why...