Sixteen-year-old Tina and two friends leave Kenya and slip into the Congo, where she and her mother fled years before, in order to seek revenge for her mother's murder but instead they uncover startling secrets.

When a child goes missing from the Orphan House in the town of Stone-in-the-Glen, the mayor suggests the kindly Ogress is responsible, but the orphans do not believe that and try to make their deluded neighbors see the real villain among them.

When Benny and Henry get summer jobs at a department store in town, they don't expect to be solving mysteries at work. But when an expensive vase disappears, the salespeople receive strange notes, and the jewelry display is tampered with, it's up to Benny to uncover the truth!

Atherton was once a magnificent three-tiered world, but few inhabitants know the truth of its dark origin: it is a giant man-made satellite, created as a refuge from a dying Earth. Now this strange place is torn apart—its three lands, formerly separated by treacherous cliffs, have collapsed and collided. But a gifted climber and adventurous orphan boy, Edgar, is determined to discover the secret of Atherton's survival, and embarks on a life-or-death...

When Jack and his genius foster siblings, Ava and Matt, discover inventor Hank Witherspoon is missing, they travel deep into the Amazon jungle, overcoming strange creatures, a raging river, and some very clever foes to find their friend and protect his big idea.

Pollyanna moves to Boston when her aunt and Dr. Chilton go abroad. In Boston, she lives with sad Mrs. Carew and makes many new friends.

Wilma Tenderfoot, a ten-year-old orphan who lives at Cooper Island's Lowside Institute for Woeful Children, dreams of escape and of becoming the apprentice of the world-famous detective Theodore P. Goodman, whose every case she follows devotedly in the newspaper.

Soon after Peter, an orphan, sets sail from England on the ship Never Land, he befriends and assists Molly, a young Starcatcher, whose mission is to guard a trunk of magical stardust from a greedy pirate and the native inhabitants of a remote island.

Teenaged soldier Noemi and an enemy robot, Abel, who is programmed to obey her commands, set out on an interstellar quest to save her home planet, Earth colony Genesis.

Fourteen-year-old Alex continues his work as a spy for the British MI6, investigating an exclusive school for boys in the French Alps.