mystery

Four kids find a treasure while diving but will they survive the sharks and each other.

Joining his uncle for a summer at the circus, Ray becomes a clown-in-training, but strange things start happening and he wonders about a place called "Clown Street" that even the other clowns are afraid to go to.

Eleven-year-old Ollie comes across a weeping woman next to a river, holding a book and threatening to throw it into the water. Ollie is impulsive, so she plucks the book from the woman's hand and runs off with it. The book is "Small Spaces," and tells a haunting story of a girl, two boys in love with her, and a farm from hundreds of years ago, and a deal with the sinister specter called the Smiling Man, who grants wishes for the ultimate price. Now, Ollie finds herself on a school trip to a local farm with a haunted history.

Robyn, struggling to choose sides between Billy and Morgan after their break up, investigates the murder of Morgan's new boyfriend after Billy is named a suspect.

After weeks of searching the New York City catacombs for a centuries-old diamond buried by a pirate, George van Gelder and friends are stopped in their tracks when their underground enemy, Leroy, kidnaps George's father's new girlfriend and holds her for ransom in order to gain the treasure.

Bunnicula seems like a cute little bunny. But instead of little rabbit teeth, he has fangs. Is he as innocent as he appears? Or is there something sinister lurking behind those floppy ears? His fellow pets, Chester the cat & Harold the dog, are determined to find out. This three book collection is the perfect introduction to their adventures. (Amazon).

Ten mysteries for ten-year-old Encyclopedia Brown, his partner, Sally, and the reader to solve. Solutions are given at the back of the book.

Kenzie's life is transformed when she is voted one of the prettiest girls at Vienna High, but when the girls on the list start to die, Kenzie is determined to uncover the deadly secrets of the list before her number is up.

In Glacier National Park, middle school geniuses Sam, Martina, and Theo follow clues related to Thomas Jefferson as they tackle a new round of puzzles, riddles, and traps to find the next key left behind by the Founding Fathers, but Gideon Arnold, descendant of the infamous Benedict Arnold, is hot on their trail.

When a giant glowing fungus encroaches upon thirteen-year-old Eric's small town, he, his little brother Brian, and a runaway girl try to stop it--and figure out what happened to the Puritan town that had mysteriously disappeared from the same spot.