As World War II creeps closer to her door, eleven-year-old Ada learns to manage life on the crowded cottage she shares with her brother, their legal guardian, and a German Jewish refugee.

Jealousies and bitterness threaten to tear apart the three Igiby siblings, heirs to a legendary kingdom across the sea, just when they must work together to battle the monsters of Glipwood Forest, the thieving Stranders of the East Bend, and the dreaded Fork Factory.

Two children persuade their father, an inventor, to purchase and restore an old car which turns out to have magical powers.

On their fifth trip through the magic mirror, siblings Abby and Jonah find themselves in the story of Rapunzel--and they set out to free her from her tower, reunite her with her parents, and give the story a completely happy ending.

When twelve-year-old twins Philippa and John discover that they are descended from a long line of djinn, their mother sends them away to their Uncle Nimrod, who takes them to Cairo where he starts to teach them about their extraordinary powers.

Athletic Artemis rails against the all-boys' Olympic Games at Mount Olympus Academy, which leaves her at odds with her twin brother, Apollo, while a mortal boy named Actaeon catches her eye.

"Tween twins Coke and Pepsi McDonald have finally reached the last leg of their wacky and dangerous cross-country road trip, but they must fend off a host of strange assassins before they reach their home in California"--

On a cross-country vacation with their parents, twins Coke and Pepsi, soon to be thirteen, fend off strange assassins as they try to come to terms with their being part of a top-secret government organization known as The Genius Files.

After a black hole follows her home and swallows everything it touches, eleven-year-old Stella Rodriguez, who is mourning the death of her father, isn't sure how to cope with her strange new pet.

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.