When the Landmark School for Girls' van carrying an art teacher and six students disappears near an ice-covered lake on the way back from a field trip, twelve-year-old Jeri desperately wants to help but everything she tries seems to make the situation worse.

Hoping to find his lost brother, Rownie escapes the home of the witch Graba and joins a troupe of goblins who perform in Zombay, a city where humans are forbidden to wear masks and act in plays.

Frank and Joe go to the island of St. John to try to find the missing son of a UN ambassador.

When their favorite author fails to arrive as scheduled to speak at the local library, the Alden children investigate how he could board a train and never be seen again.

After a bus journey in search of their father, thirteen-year-old Vickie and her younger sister discover that he is missing and may need their help.

While visiting Chicago, twins Ashley and Bryce catch up with old friends, visit the house where they grew up, see many reminders of their deceased father, and help search for their best friends' uncle, who disappeared days before his wedding.

When her mother is abducted by aliens on Christmas Eve (or "Smekday" Eve since the Boov invasion), 11 year-old Tip hops in the family car and heads south to find her and meets an alien Boov mechanic who agrees to help her and save the planet from dis

Seventeen-year-old Cullen's summer in Lily, Arkansas, is marked by his cousin's death by overdose, an alleged spotting of a woodpecker thought to be extinct, failed romances, and his younger brother's sudden disappearance.

When eleven-year-old Gregor and his two-year-old sister are pulled into a strange underground world, they trigger an epic battle involving humans, bats, rats, cockroaches, and spiders while on a quest foretold by ancient prophecy.

Eleven-year-old Aurora Petrequin's best friend has never spoken a word to her. In fact, Frenchie Livernois doesn't talk. Aurora is bouncy, loud and impulsive. Making friends has never come easily. When Frenchie, who is autistic, silently chose Aurora as his person back in third grade, she chose him back. They make a good team, sharing their love of the natural world in coastal Maine. In the woods, Aurora and Frenchie encounter a piebald deer, a rare...