An earthquake shakes Zoey's house. Or maybe it's a unicorn-quake? An enormous new friend arrives in a lot of pain, and it's getting worse every day. Zoey must work with her mom and Sassafras to find a cure--and quickly!--

Responding to a distress call on the distant planet of Achlys, Thea Sadik and her search-and-rescue crew are confronted by a zombie-like outbreak that forces them to uncover a monstrous enemy.

Stick Cat and his best friend Edith must rescue a man in the building next door.

In the seventh book, Zoey and Sassafras are excited to enjoy their summer with their magical friends. But . . . why is everyone so grumpy? A bunch of bad days one after the other lead Zoey to suspect that something more is afoot. It's up to Zoey and Sassafras to solve the mystery before they end up with one bummer of a summer! Each story in the Zoey and Sassafras series features a new magical animal with a problem that must be solved using science....

A yacht bearing a young American couple is attacked by Somali pirates, leading to bloodshed and the violent kidnapping of the pregnant woman on board. To aid in her rescue from the lawless and war-torn jungles of coastal Africa, Sigma Force enlists the aid of a unique search team.

Teenage detective Nancy Drew finds herself in danger when she sets out to track a jewel thief.

Chase and his PAW patrol friends come to the rescue when the royal crown of Barkingburg is stolen.

Rubble the puppy tries to be a superhero for a day but finds he still needs a helping paw from the rest of his PAW Patrol friends.

Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion.

"Oh no! There's a big problem with the forest roses . . . magical roses that are very important because they are the first food for newborn hippogriffs. Can Zoey, Pip, and Sassafras use their science know-how to fix the magical roses before the hippogriff eggs hatch?"--Back cover.