"Henry is desperate for a little peace and quiet from his extremely chatty roommate Marvin, and after Henry finally loses his cool, these hamsters must find ways to compromise and live together"--

"To Humphrey and the students at Longfellow School, spring seems impossibly late this year. Fortunately, planning a school Family Fun Night keeps the students (and classroom pets) busy as they look for signs of the changing seasons"--

It's Career Day at Luggenheimer Elementary. When one parent arrives to talk about being a toy maker, things start to go mysteriously wrong. Now Hot Dog, Bob, and Clementine face the most mysterious villain ever hypnotizing plush hamsters.

"A newly-updated practical guide to pet-keeping, covering all aspects of choosing and caring for small mammals including rabbits, guinea pigs, hamsters, gerbils and jirds, chinchillas, rats and mice - plus birds, herptiles, invertebrates and fish. Each chapter features the most popular breeds in each species, based on general availability and suitability. Find out how to choose the best pet for your lifestyle plus practical tips on buying a pet; housing...

While continuing to help his classmates solve their problems, Humphrey, pet hamster of Longfellow School's Room 26, faces many surprises, like rolling in a hamster ball, a substitute janitor who might be an alien, and the possibility of Mrs. Brisbane retiring.

Humphrey, the pet hamster of Longfellow School's Room 26, learns that his classroom is full of secrets, the most important of which is that a student will be leaving soon.

"During a creative writing unit at Longfellow School, the students in Mrs. Brisbane's class practice using their imagination with their very own writing journals--and Humphrey finds out that writing from his imagination is harder than it looks"--

Humphrey the hamster is puzzled when unfamiliar students fill Mrs. Brisbane's classroom at summer's end, but he soon learns that his friends from last year are fine and that the new class needs his special help.

It's almost Halloween, but the scariest thing in Room 26 has nothing to do with creepy decorations or spooky noises: Mrs. Brisbane is missing! This might be the biggest mystery Humphrey has ever tried to solve.