"Third-grader Aven Green has been solving mysteries for a whole month, cracking such cases as The Mystery of the Cranky Mom. But can this perceptive detective solve two cases at the same time? First her teacher's lunch bag disappears. Then Aven's great-grandma's dog goes missing. Fortunately, since Aven was born without arms, all the "arm" cells went to her super-powered brain instead. (That's her theory.)"--

Corduroy the teddy bear sets out one night to find a birthday present for his owner, Lisa, but soon realizes that he cannot find his way home.

When pets go missing in Blue River Creek it is up to Ada to follow the scientific method by making a hypothesis, collecting data, and experimenting to find the missing animals.

Penny feels guilty after taking a beautiful blue marble that she sees in Mrs. Goodwin's grass, but gets a pleasant surprise when she goes to return it the next day.

When a puppy gets lost while playing hide and seek on the farm, Otis the friendly little tractor must face his fear of the darkness in order to help his new friend.

When first-grader Roscoe discovers that his stuffed pig is missing from his backpack, he accuses the class bully of "pig-napping" and gets even by taking the bully's teddy bear.

"Thor's hammer is missing again. The thunder god has a disturbing habit of misplacing his weapon-- the mightiest force in the Nine Worlds. This time the hammer isn't just lost, it has fallen into enemy hands. If Magnus Chase and his friends can't retrieve the hammer quickly, the mortal worlds will be defenseless against an onslaught of giants. Ragnarok will begin. The Nine Worlds will burn. Unfortunately, the only person who can broker a deal for...

After a car accident strands them at opposite ends of the Blue Ridge Parkway, eleven-year-old Abby and her beloved sheltie, Tam, overcome months filled with physical and emotional challenges to find their way back to each other.

Nancy Clancy has everything she needs to be a super sleuth. but when crime strikes right in the middle of her classroom, will Nancy have what it takes to crack the case?

When a bully shows up at Starwood Park, Freddie's super-powered zapatos go missing. Is the bully to blame? And how can Freddie investigate without his super-speed?