Mr. Fish feels nervous venturing deep in the sea to look for Ms. Clam's lost pearl until Miss Shimmer helps him conquer his fear of the dark.

"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.)"--

Miss Parks, a new teacher, is devastated when her cat, Autumn, disappears during a storm, but with the help of her students, she finds not only Autumn but also the man of her dreams.

Jigsaw Jones tries to find a missing good luck charm while on a winter vacation.

Jack loves his childhood toy, Dur Pig. DP has always been there for him, through good and bad. Until one Christmas Eve something terrible happens--DP is lost. But Christmas Eve is a night for miracles and lost causes, a night when all things can come to life, even toys. And Jack’s newest toy--the Christmas Pig (DP’s replacement)--has a daring plan: Together they’ll embark on a magical journey to seek something lost, and to save the best friend...

Fluffy is excited when he finally gets the chance to be played with when a little boy loses his favorite toy Bunny.

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.

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

When Willow's friend Nolin Sometimes sends her a desperate plea for help, Willow sets out on an adventure, that if she fails, Willow, the finder of lost things, may lose her friends and her magic forever.

Willow Moss's small magic has always seemed unremarkable. But when the most feared witch in the land of Starfell appears on the Moss family's doorstep looking for help, it's not Willow's talented sisters she seeks, it's Willow. Because Willow is a finder of lost things, and Moreg Vaine says that last Tuesday has gone missing. Willow and Moreg set out on a perilous journey across the wilds of Starfell, looking for what they've lost. If they don't discover...