Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years.

The story begins with a young orphan running for his life. Lucky for him he runs into Samir, a portly huckster whose silver tongue saves the boy. Samir names him Monkey, and claims him as his new servant. But Monkey, a strict and devout soul, is horrified to discover that his new master is a liar whose dealings have angered every village he's ever passed through. The villagers have hired a collection of murderers, including a Viking berserker, a...

While on bicycle trip to their aunt's farm, the four Aldens help solve a mystery.

World War I has started and the military needs horses to move equipment, charge the enemy, and carry wounded soldiers off the battlefield. Joey, a farm horse is sold to the Army. Joey misses the farmer's son, Albert, and spends the war years wondering if the war will ever end and if he will ever see Albert again.

When the principal has to be away from school at a conference, Hank's class agrees to take care of the principal's special pet frog, and Hank is chosen to take the frog home for the weekend.

Johannes is a free dog, a fast dog--such a fast dog! He lives in an urban park by the sea, and every day, he runs through the park, seeing all, missing nothing, and reporting what he sees to the park's three ancient Bison, the Keepers of the Equilibrium. But the Equilibrium has been disrupted. Mysterious rectangles are hypnotizing Johannes, the humans are erecting a mysterious new building, and an entirely new kind of animal has arrived in the park--and...

Hank has finally persuaded his dad to get the family a dog, and Hank couldn't be more excited! Mesmerized by a little wiener dog chasing his tail (making him look like a Cheerio) at the animal shelter, Hank declares him to be the new Zipzer dog. But when Cheerio gets loose in the park, Mr. Zipzer furiously announces that the dog must go. Can Hank convince his father that he wasn't the one who let Cheerio off his leash, or will he really lose his new...

Chance, a real dog, has been in the Dogtown shelter since her owners unwittingly left her with irresponsible dog-sitter who skipped town. Metal Head is a robot dog who dreams of being back in a real home. And Mouse is a mouse who has the run of Dogtown, pilfering kibble and performing clever feats to protect the dogs he loves. When Chance and Metal Head embark on an adventure to find their forvever homes, they find danger, cheese sandwiches, a...

After a black hole follows her home and swallows everything it touches, eleven-year-old Stella Rodriguez, who is mourning the death of her father, isn't sure how to cope with her strange new pet.

Max's twin is public enemy number one, and it is up to the Midknights to avoid looming dangers like trolls and pirates to find her before time runs out.