Mysteries

Sara Martinez is facing years in the juvenile detention system for hacking into the foster care computer system to prove that her foster parents are crooks. But then she gets a second chance when a mysterious man offers her a chance to join a group of MI6 affiliated spies.

SoHo, 1981. Twelve-year-old Olympia is an artist -- and in her neighborhood, that's normal. Her dad and his business partner Apollo bring antique paintings back to life, while her mother makes intricate sculptures in a corner of their loft, leaving Ollie to roam the streets of New York with her best friends Richard and Alex, drawing everything that catches her eye. Then everything falls apart. Ollie's dad disappears in the middle of the night, leaving...

Twelve-year-old Candice Miller is spending the summer in Lambert, South Carolina, in the old house that belonged to her grandmother, who died after being dismissed as city manager for having the city tennis courts dug up looking for buried treasure--but when she finds the letter that sent her grandmother on the treasure hunt, she finds herself caught up in the mystery and, with the help of her new friend and fellow book-worm, Brandon, she sets out...

Some people count their blessings, but dogwalker Stephen Nobel counts mistakes. Dogwalker extraordinaire Stephen Nobel can get a little anxious, but his habit of counting the mistakes he and everyone else makes calms him. His need to analyze gets kicked into hyperdrive after two crazy events happen in one day at school: the bomb squad blows up a backpack and someone smashes a car into the building. To make things worse, that someone thinks Stephen...

"In 1859, eleven-year-old Nell goes to live with her aunt, Kate Warne, the first female detective for Pinkerton's National Detective Agency. Nell helps her aunt solve cases, including a mystery surrounding Abraham Lincoln, and the mystery of what happened to Nell's own father"--Provided by publisher.

A mouse who lives in Sherlock Holmes' cellar evolves a daring plan to uncover the identity of a kidnapper.

During the summer before ninth grade, intrepid Gilda Joyce invites herself to the San Francisco mansion of distant cousin Lester Splinter and his thirteen-year-old daughter, where she uses her purported psychic abilities and detective skills to solve the mystery of the mansion's boarded-up tower.

Thirteen-year-old Trixie Belden and her friends search for hidden treasure in a mysterious mansion owned by an old miser.

Twelve-year-old Randi, unhappy about moving from Brooklyn to Deer Creek, Tennessee, after her mother's death, soon finds new friends and a case to solve surrounding a stolen time capsule and rumors of a centuries-old treasure.

Washed ashore as a baby in tiny Tupelo Landing, North Carolina, Mo LoBeau, now eleven, and her best friend Dale turn detective when the amnesiac Colonel, owner of a café and co-parent of Mo with his cook, Miss Lana, seems implicated in a murder.