Fifth-grader PJ "Clueless" McGee writes a series of letters to his father, a private investigator, telling of his attempt to learn who stole the science fair trophy, thus clearing his own name.

Jigsaw Jones finds himself in competition with Reggie for the title of the best detective in town. Reggie relies on technology and charm to solve mysteries. Can Jigsaw prove that he is better?

When Gary the snail's shell goes missing, SpongeBob DetectivePants and his trusty assistant, Patrick PatrickPants, investigate.

When brother and sister duo, Dino Detective and Awesome Possum, discover Grandma Thunderclaps's pizza is missing all its pepperoni, they jump into action to find out who is to blame.

It's a hot day in Mango Market, and Mandrill is missing one of her mops! She hires Murilla Gorilla, the lovable but definitely disorganized jungle detective, to help her, but thirsty Murilla has other things on her mind. Can Murilla forget about her search for a cool glass of lemonade long enough to solve the case?

It's a "Ruff" world out there Canine private eye Trigger wishes someone would throw him a bone. Without a case to solve, the quick-witted Chihuahua is stuck digging for scraps i a city run by criminal cats. So he thinks his luck has changed when a classy purebred hires him to find her priceless stolen collar. With his client insisting that an infamous master thief took the jewel-studded accessory, Trigger sniffs around for clues. But what he digs...

When the class's Valentine candy disappears, Jigsaw and Mila try to figure out who stole it.

A mouse with typewriting skills, living in an attic, secretly helps the people of Offley Street find lost items, and eventually saves the day.

"Valkyrie Cain has been out of action for years, recovering from the war against her alter-ego Darquesse, which nearly destroyed her and everyone else. Some things never change though: bad people still want to do bad things, and Skulduggery Pleasant is still there to stop them. When Skulduggery learns of a plot to resurrect a terrifying evil, he persuades Valkyrie to join him for just 24 hours. But they need someone else on their team, someone inconspicuous,...

"Timmy Failure is not just any detective-he is the greatest detective in his town, perhaps the nation. He is so famous that there have been seven books written about his life. Plus a movie. And so he has agreed to provide the world with his extraordinary origin story, as dictated to his biographer and best friend, Charles "Rollo" Tookus. New York Times best-selling author Stephan Pastis is back with the hilariously heartwarming tale of how it all...