When their math teacher sends them to see the principal, two boys risk further punishment by following a new girl who has disappeared into the lost and found bin looking for her lucky hat.

One mitten can do many things, but when the second mitten is found, it is time to go outside and have fun.

When Simon's older sister, Adele, picks him up from school, he has his hat and gloves and scarf and sweater, his coat and knapsack and books and crayons, and a drawing of a cat he made that morning. Adele makes Simon promise to try not to lose anything. But as they make their way home, distractions cause Simon to leave something behind at every stop. What will they tell their mother? Detailed pen-and-ink drawings--filled with soft watercolors--make...

Just as it's time to settle in for his nap, Harry the elephant makes an unhappy discovery. "Oh!" he cries. "My blanket is gone!" Together with his best friends, Lulu and Ted, Harry begins to search. Could his beloved blanket be under the bed? Did he leave it outside when the three of them turned it into a sail for their pretend ship? Or did his blanket stay stuck in the trees when they made a swing out of it? Where, oh where, did Harry put it?

"Years later, Frances's son, Harry, opens the door of his late mother's home, never expecting to see Tabitha the lost love of his life on the other side. Their angry parting had broken his heart, but now she holds a letter, sent by his mother just before her death, begging the pair to search together for a priceless jewelry box, hidden somewhere in her her little Cotswold cottage. Harry quickly dismisses the search, but as an art historian, Tabitha...

A ladybug searches all over for her lost spots.

"Stella volunteers to watch best friend Evie's dog, Bella, for a few days. Disaster strikes when Bella gets loose and runs away. Stella must find her before Evie returns"--Provided by the publisher.

Daisy's classmate, Rachel, knows she returned her library book, but the school librarian has declared it lost. It's up to Detective Daisy to recover the lost book.

"Finding an egg, Rocket and his friend Bella search for its owner, to no avail, and wonder if they will ever find out where its nest is and who it belongs to"--Provided by publisher.

As she tries to find the book that she must return to the library that day, Stella gathers a growing group of people who have all enjoyed reading the book.