Mitchell Sharmat

A very picky eater, Gregory the goat refuses the usual goat diet staples of shoes and tin cans in favor of fruits, vegetables, eggs, and orange juice.

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

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

While traveling on the train to San Francisco with his cousin Olivia's owl, Nate the Great and his dog Sludge must use all of their detective skills when the owl suddenly disappears.

Nate the Great goes to San Francisco to solve a mystery with his cousin, Olivia Sharp, who is also a detective.

Perfect Desiree seeks the help of wealthy problem solver, Olivia Sharp in becoming princess of the school.

E.J. the spy tries to uncover a secret that Olivia is keeping for a client.

THE OWL EXPRESS
Nate, the great detective, and his dog Sludge, hit the rails on their latest case. Their mission: To guard an owl named Hoot. Hoot belongs to Nate’s cousin, Olivia Sharp, and she thinks someone on the train might be out to get her feathered friend. Then Hoot disappears! 
THE TARDY TORTOISE
The sun is shining, the birds are singing, and someone is eating the flowers in Nate's garden. A green tortoise is slowly stepping...

Join the world's greatest detective, Nate the Great, as he solves three mysteries! Perfect for young listeners, this long-running chapter book series encourages children to problem-solve with Nate, using logical thinking to solve cases.
NATE THE GREAT, WHERE ARE YOU?: Can a detective get a day off? Nate the Great and his dog, Sludge, want to take a break from solving cases. So they hide out in the woods. But soon they hear familiar...