While spending two days touring a zoo to see the baby animals, the four Alden children, aged six to fourteen, help catch an escaped monkey, participate in a photography contest, and investigate a missing camera.

After her overprotective grandmother has a stroke, Maya, an orphan, leaves her extremely restricted life in California to stay with her mother's family on a remote Wyoming ranch, where she discovers a love of horses and encounters a wild mare that her mother once rode. Maya is held captive in her grandmothers house in California but her imagination runs wild in Wyoming with a horse called Artemisia and the memory of her mother.

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

Deep beneath London, five extraordinary youths, orphans who bonded over their shared sense of justice, have formed the Urban Outlaws and dedicated themselves to outsmarting criminals and performing Random Acts of Kindness (R.A.K.s), but they are in serious trouble when they face a genius super-computer, Proteus.

When an elderly friend is injured, the Alden children offer to help him with his window-washing business in their small town of Greenfield and agree to help him solve a riddle that has arrived in a mysterious invitation.

When the Aldens help a friend of their grandfather's to build the world's largest yo-yo, they soon discover that more than one person is trying to prevent them from finishing the job--and for more than one reason.

Presented with an unexpected assignment, Alex Rider's greatest nemesis, Yassen Gregoravich, recalls his life and the path that led him to become an assassin while his one-time friend, Alex's uncle, became a spy.

After a chance encounter with assassin Yassen Gregorovich in the South of France, teenage spy Alex Rider investigates international pop star and philanthropist Damian Cray whose new video game venture hides sinister motives involving Air Force One, nuclear missiles, and the international drug trade.

Publisher Annotation: Part literary mystery, part magical tour de force-an incantatory novel of fierce beauty, lyricism, and originality.

Twelve-year-old orphan Adia, a kitchen apprentice at the Academy of Shamans who has mysterious powers, embarks on an epic adventure through hidden realms when she discovers the kingdom’s emperor is possessed by a demon — and he’s on his way to the Academy for a visit.