Nate and his dog Sludge help Rosamond discover who has been tearing pages out of her books.

"Nate the Great helps his friend Esmeralda find the word she wrote down that was going to be the name of the upcoming pet concert, before it's too late"--

Nate the Great follows the clues to find his lost dog, Sludge, in a department store.

Nate the Great investigates the mysterious disappearance of the purple plastic octopus that his baseball team uses for second base.

Nate the Great and his dog Sludge look for Annie's housekey which has mysteriously disappeared.

Nate the Great interrupts his backyard vacation to find his friend's lost grocery list--before lunch.

Wealthy Olivia Sharp, agent for secrets, uncovers several secrets on a trip to Carmel, California to help a friend become a member of an exclusive club.

Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

When Rosamond turns a phone message from Pip's mother into a music lesson with a secret meaning, Nate the Great steps in to solve the mystery.

"Nate the Great and his dog, Sludge, would like to take a break from solving cases. So they hide out in the woods. But soon they hear familiar voices shouting, "Nate the Great, where are you?" There are many mysteries to solve!"--