Even a deep snow the week before Christmas can't keep Nate the Great and his dog Sludge from finding the special card sent to Annie's dog Fang by his mother.

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...