Full AspenCat Catalog

Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.

Cam's photographic memory helps a scatterbrained substitute teacher, especially when he discovers that he has misplaced his coat.

The first day of seventh grade was probably the worst day of Duncan Dougal's life. He knows that things are really bad when he finds an alien's hand in a dumpster and then gets plugged into an alien brain fryer.

Seventeen-year-old high school senior Cameryn Mahoney uses skills learned as assistant to her coroner father to try to unravel the mystery of a local teacher's gruesome death, while also awaiting a possible reunion with her long-missing mother.

Peter Shandy, a botany professor and amateur detective, comes to Helen's aid when she is shanghaied by a gang of weathervane snatchers.

While five little mice at Mouseford Academy are looking for their missing biology professor, they dive to a haunted shipwreck off Whale Island to find a rare diamond that was lost when the ship sank.

The investigation of the murder of a chief scientist on an antimissle system brings Major Margit Falk of the Pentagon's legal staff close to the heart of a web of espionage and betrayal.

Someone has been stealing and leaving behind little green sneakers, so Bradley, Brian, Nate, and Lucy trail their new teacher, who wears the same shoes in normal size.

"When a storm strikes at Blackbrook Academy, an elite prep school nestled in the woods of Maine, a motley crew of students--including Beth 'Peacock' Picach, Orchid McKee, Vaughn Green, Sam 'Mustard' Maestor, Finn Plum, and Scarlet Mistry--are left stranded on campus with their headmaster. Hours later, her body is found hanging in the conservatory and it's very clear her death was no suicide. With this group of students who are all hiding something,...

"A smart and charming middle-grade mystery series starring young detective Aggie Morton and her friend Hector, inspired by the imagined life of Agatha Christie as a child and her most popular creation, Hercule Poirot. For fans of Lemony Snicket and The Wollstonecraft Detective Agency. Aggie Morton lives in a small town on the coast of England in 1902. Adventurous and imaginative but deeply shy, Aggie hasn't got much to do since the death of her beloved...