Wendy Mass

At the flea market nine-and-a-half-year-old Chase and his younger sister Ava acquire an old suitcase filled with rows of carefully packed strange objects, and when they handle one of the objects (a dragon-headed doorknob) they find themselves in King Arthur's castle, on a mission to save the King--and pursued by a strange man whom they first saw at the flea market, who is after their suitcase.-- Provided by Publisher.

On her fourth Leap birthday, when she turns sixteen, Josie has a number of momentous experiences, including taking her driver's test, auditioning for a school play, and celebrating with her family and friends.

On a visit to the Natural History Museum, Chase and Ava seem on the verge of finding out something important about the mysterious Randall, the missing scientist Finn, and the woman who gave them the suitcase filled with magical objects, when the dinosaur egg from the suitcase (they thought it was a potato) sends them back to dinosaur times--where they have to return the egg to the correct brontosaurus nest, while eluding hungry dinosaurs, and Randall,...

"Eight-year-old Archie Morningstar, his taxi driver dad, and a talking cat named Pockets are on an intergalactic mission to save an underwater planet in peril"-- Provided by publisher.

"With her life recently turned upside down, 12-year-old Addie is uncomfortable in her own skin until the world of virtual reality sparks her imagination and leads to an exciting new project, a new friend, and to reconnecting with who she's always been."-- Provided by publisher.

While trying to stop thieves from getting the last known canisantha plant for an unknown purpose, eight-year-old Intergalactic Security Force deputy Archie is mistaken for someone very important and directed by his trainer, Pockets the cat, to go on a spy mission aboard a B.U.R.P. ship.

"Eight-year-old Archie Morningstar, his father, and the talking cat Pockets travel to Akbar's Floating Rest Stop, where Pockets is going to receive an award for bravery. But when all the tuna fish (Pockets's favorite food) goes missing, they must discover who is behind the nefarious plot"-- Provided by publisher.

"A girl must part with her beloved rain boots and organizes a neighborhood swap to find them a new home"-- Provided by publisher.

Visiting her grandmother in Australia, Livy, ten, is reminded of the promise she made five years before to Bob, a strange, green creature who cannot recall who or what he is.

Children's birthdays are always strange in Willow Falls, but when Connor's little sister Grace falls into a frozen state on her tenth birthday, Amanda and Leo must travel back in time to find out what force prevented Angelina from casting the blessing that would have protected her.