Seven stories with universal situations giving a peek at how a brother and sister relate to each other.

Two years ago, Sam ran away from New York City to live in the Catskill Mountains. Now his younger sister Alice has joined him and is quietly living in a tree house of her own nearby. Their peaceful life is shattered when a conservation officer confiscates Sam's falcon, Frightful, and Alice suddenly vanishes. Sam leaves his home to search for Alice, hoping to find Frightful, too. But the trail to the far side of the mountain may lead Sam into great...

When their picture-perfect Cotswold village family life with a perpetually young father and hippy mother is shattered by a tragic Easter weekend, four siblings pursue separate adult lives before a reunion reveals astonishing truths.

Visiting their uncle's seaside home for the summer, a brother and sister open a mysterious trunk in a back room and discover a sinister-looking pirate puppet that comes to life and takes them captive.

Marine architect Hannah Bryson was hired to inspect a decommissioned Soviet submarine, Silent Thunder, that was recently purchased by the U.S. government for use as a maritime museum. Before she and her brother can sort out a cryptic mssage discovered behind one of the ship's panels, there's a deadly assault on the sub, and Connor is killed. Though the government tries to warn Hannah away from the danger, she'll stop at nothing to find the ruthless...

After moving to Florida, an "expedition" to a nearby lake turns up a little nixie with a giant problem and it's up to Nick and his siblings to save the day.

Recounts the adventures of Mibs Beaumont, whose thirteenth birthday has revealed her "savvy"--a magical power unique to each member of her family--just as her father is injured in a terrible accident.

The shadow of the man in black has followed fourteen-year-old Amy Cahill and her younger brother Dan on their worldwide search for 39 Clues that lead to a great power. The man has tried to kill them and he is a Madrigal, as were their parents. And now the man is ready to step out of the darkness for their final confrontation.

Long ago, dragons were hunted to near extinction by the Order of St. George, a legendary society of dragon slayers. Hiding in human form and growing their numbers in secret, the dragons of Talon have become strong and cunning, and they're positioned to take over the world with humans none the wiser. Ember and Dante Hill are the only sister and brother known to dragonkind. Trained to infiltrate society, Ember wants to live the teen experience and enjoy...

"When a wooden robot prince forgets to say the magic words that turn his sister from a log into a princess she is thrown away, so he goes on an epic journey to find her and bring her back"--