In order to earn money for new bicycles, nine-year-old cousins Keats and Henry take a job at a very strange house where doors disappear, carpets bite, and a zombie shark comes after them.
In 1914 New York City, nine-year-old Rebecca is determined to show her family that she is old enough to light the Shabbos candles and go to the movies.
Chandra and her sister Deena see a demonstration of a "magic light," a solar-powered lantern, at a market near their home in Nepal and are determined to buy one, knowing it will help their little brother's cough to stop using kerosene lamps.
Summer vacation in their small Maine town does not look too promising until twelve-year-old Gina and four of her friends make a pact to become millionaires before school starts in September.
Twelve-year-old Greg, who has always been good at moneymaking projects, is surprised to find himself teaming up with his lifelong rival, Maura, to create a series of comic books to sell at school.
At the same time that the Alden children's efforts to raise money for a new hospital wing are being sabotaged by nasty tricks, they find their attempts to befriend the new girl, Beth, frustrated by her strange behavior.