During a family trip to China, eleven-year-old Mia Chen and her older brother, Jake, follow clues and solve riddles in hopes of finding their missing Aunt Lin and, perhaps, a legendary treasure.

"When siblings Hedy and Spencer are forced to spend time with their reclusive and eccentric grandfather, they find themselves on a quest to solve the mysterious disappearance of their grandmother decades earlier. Searching for clues, they'll uncover dangerous secrets from their grandfather's past as a magician...Using their ingenuity, bravery, and new-found belief in magic, Hedy and Spencer must search for the truth behind Rose's disappearance and...

Twelve-year-old Finn is used to people in his family disappearing. His twin sister, Faith, drowned when they were three years old. A few months ago, his mom abandoned him and his dad with no explanation. Finn clings to the concrete facts in his physics books-and to his best friend, Gabi-to ward off his sadness. But then his grandmother tells him a secret: the women in their family are Travelers, able to move back and forth in time. Finn's mom is trapped...

It's 1970's Chicago. Eleven-year-old Matasha Wax is in the sixth grade and just starting to feel the pressures of growing up. Her best friend Jean has been blowing her off, while her parents are in a standoff over her mother's desire to adopt a refugee from Vietnam. And while the bullies in school have started to grow breasts and inches, Matasha remains a puny four-foot-four - which means she will need growth hormone shots, and she is terrified of...

Two teenage sleuths help their detective father search for a famous rocket scientist whose disappearance endangers the launching of the Firebird Rocket.