The magic tree house takes Jack and Annie to an African rainforest, where the siblings encounter gorillas and learn to communicate with them.

When she finds the key to a secret passageway leading out of the walled city of Bridewell, twelve-year-old Alexa realizes her lifelong wish to explore the mysterious forests and mountains that lie beyond the wall. Inquisitive twelve-year-old Alexa Daley is spending another summer in the walled town of Bridewell. This year, she is set on solving the mystery of what lies beyond the walls. Legend says the walls were built to keep out an unnamed evil...

Anthea gathers her friends to meet with the antagonistic emperor of Kronenhof, hoping to find Coronami princess Margaret, the herd stallion, and other horses her mother has taken before war breaks out.

"Deep within the dangerous Thickety, Kara and her brother, Taff, must figure out who and what to trust in order to escape and stop the evil Sordyr"--

Alexa reveals the origin of the Land of Elyon while defending it against the evil Abaddon and his sinister forces, with not only the last Jocasta at stake but also the nature of the land itself.

"Twelve-year-old Willa, grieving the loss of her mother, a renowned marine biologist, discovers she can talk to whales"--

With the help of her animal friends, Daine fights to save the kingdom of Tortall from ambitious mortals and dangerous immortals.

George has always felt burdened by his princely duties, and even more by the need to hide the magic through which he speaks with animals, but when he is betrothed to the strange princess of a neighboring kingdom, his secret, and the persecution of people like himself, must come to an end.

The mage Numair, the knight Alanna, and Queen Thayet enlist thirteen-year-old Daine's help to battle the dreadful immortal creatures that have recently begun to attack the kingdom of Tortall.

Galen, prince of the Syrena, is sent to land to find a girl he's heard can communicate with fish. He finds Emma and after several encounters, including a deadly one with a shark, Galen becomes convinced Emma holds the key to his kingdom.