Guardians of the 39 Clues, Dan Cahill and his sister Amy discover that the serum is missing and must race against time to get it back before catastrophe strikes.

When the Aldens visit Peggy and Doc Firmin's farm, they're in for a treat: a behind-the-scenes look at a real teddy bear workshop! But a very rare and valuable bear has disappeared from the toy hospital. Now it's up to the children to track down the teddy thief!

Henry, Jessie, Violet, and Benny are getting strange notes from a mystery messenger! An art gallery in Greenfield is hosting a contest, and the whole town is talking about a talented new painter who is bound to win. But then an unknown person called "the

A little girl and her brother play with her imaginary gold-horned unicorn that can float on water, fly, and turn herself into a fairy princess.

When Albert and his buddies have a "no girls" baseball game, Frances and her sister organize a "Best Friends Outing -- No Boys."

The Alden's neighbor, Lina, thinks there's treasure hidden in her attic and she wants the Boxcar Children to help her find it. Of course, the children are eager to help search—but it appears they aren't the only ones looking for the treasure.

"A secret agent's guide to welcoming a new sibling"--

Left in the care of his older sister, a boy begs her to read his favorite book but she is too absorbed in her own reading even to notice when a tiger comes to life in the steam from his soup.

Recounts four adventures of Annie, her big brother Simon, and their dog Hazel.

Already best-selling authors with How to Talk So Kids Will Listen & Listen So Kids Will Talk, Adele Faber and Elaine Mazlish turned their minds to the battle of the siblings. Parents themselves, they were determined to figure out how to help their children get along. The result was Siblings Without Rivalry. This wise, groundbreaking book gives parents the practical tools they need to cope with conflict, encourage cooperation, reduce competition, and...