"A painting has been stolen...! When Rami sees a floating girl in the museum, he knows he has seen her somewhere before. Then he realizes: She looks just like the girl in the painting that has gone missing. But how does her appearance connect to the theft? Agatha the turtle knows--she has been watching from the garden. But she can't exactly tell anyone...can she? Will Rami, with the help of his classmate, Veda, be able to solve the mystery? The clues...

Six eccentric guests are invited to the home of the infamous Amadeus family where they must work together to uncover the truth behind a thirteen-year-old mystery before the clock runs out.

Twins Theo and Alexander along with their sister Wil are abruptly dropped off at their Aunt Saffronia's house, where they learn they must complete a series of tasks in order to see their parents again, the first of which is solving a mystery at the Fathoms of Fun waterpark.

"Desperado Detectives--aka Mo Lo Beau and her best friend Dale, along with newly-appointed intern, Harm Crenshaw--must take on a new case when Dale's daddy goes on the lam just before his trial is about to start"-- Provided by publisher.

Samantha's uncle mysteriously disappears, leaving behind extravagant gifts for her siblings and an old, rusty, red umbrella for Samantha that may contain clues to his whereabouts.

Five murder suspects are invited to the haunted Barclay Hotel for a weekend getaway, and it is up to twelve-year-old JJ and eleven-year-old Penny--and a lonely ghost--to figure out who committed the crime.

Haunted after helping her father on his ghost-themed Chicago bus tour, twelve-year-old Claire must discover what the spectral boy from the bus wants before it is too late.

The Vickery twins, Lee and Felix, live in a house in Poplar Wood, where, because of the "Agreement," their mother serves Memory, and their father assists Death, and only Lee is allowed to leave the house, except for Halloween; but when a local girl is murdered, Gretchen Whipple, daughter of the mayor, offers the boys a deal--help her solve the crime and she will help them break the Agreement, and regain their freedom.

"For every child who's ever dreamed of being in the Guinness Book of World Records comes the story of eleven-year-old Arthur Whipple and his fantastic family of world record breakers...Unfortunately, unlike his siblings, Arthur hasn't broken a single, solitary world record! But when the Whipples suffer a spate of catastrophes and a curious amount of attention from a pair of irregularly sized and unusually menacing clowns, Arthur might be the only...

Twelve-year-old Cooper Vega and his military family has moved so often that he is used to new schoolmates not knowing his name, but at the moment he has a bigger problem--his new phone is haunted by the ghost of Roderick Northrop, a boy from the sixteenth-century, who needs his help to finish a quest, which is somehow tied up in the Stratford Middle School production of Romeo and Juliet.