An elephant's eleventh birthday party is marked by eleven games preceding the banquet to be eaten at the eleventh hour; but when the time to eat arrives, the birthday feast has disappeared. The reader is invited to guess the thief.

"Gleason has vamped up the familiar world of Holmes and Watson...to paranormally exhilarating effect." -- The New York Times The girls are back! Evaline Stoker (sister of Bram) and Mina Holmes (niece of Sherlock) return in the fourth volume of the steampunk adventure series set in an alternate Victorian London. Ever since the debacle of the Chess Queen Enigma, Mina Holmes and Evaline Stoker have laid low, trying to settle back into their quiet lives...

While treasure-hunting, Graysen Foxx and his friends cross paths with a secret society of super-smart nerds called the Illuminerdy who will do anything to protect a bone-rattling secret.

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.

When someone slips into the precinct and steals Mama Pigeon's tarts, pigeon detectives Martin P. Sweets, Felix Danish, and Ralph Custard follow the clues to find out who stole the delicious treats.

From the acclaimed author of Scritch Scratch and What Lives in the Woods comes a action-packed adventure novel about three friends who team up to find a hidden treasure in an abandoned 1950's funhouse.

It’s 1880, and in the frigid city of Stockholm, death lurks around every corner. Twelve-year-old Mika knows that everyone in her orphanage will struggle to survive this winter. But at least the notorious serial killer the Night Raven is finally off the streets…or is he? Mika is shocked when a newborn baby is left at the orphanage in the middle of the night, by a boy with a cryptic message. Who is he? And who is this “Dark Angel” he speaks...

Veronica Mars gets a fantastical twist in this novel about a girl with a transferrable consciousness, who uses her power for good, only to have it turned on her when someone uses her body to commit murder. Now she must solve the crime before the killer comes after her. Caught red handed... for a crime she didn't commit.

Publisher Annotation: The Inheritance Games and One of Us is Lying for middle grade -- beloved author Alyson Gerber's new series is an unforgettable mystery featuring a secret society, a mysterious island, and dangerous family secrets.

While visiting their grandfather in a small New England town, twelve-year old twins Jade and Simon investigate a series of mysterious creature attacks.