Books with title the mystery of the missing necklace

Spring is missing! Old Man Winter is ready for a break. The farmer is ready to plant his crops. The animals are running low on food. But where is Spring? Join Summer and Fall as they go on an adventure to solve The Mystery of the Missing Season. Along the way they'll meet Leap Year and help him and the listener discover why he is so important when he comes around once every four years!

The secret device has gone missing!Isabelle Jones and her sister, Kathryn must race against time to find the villain, Dr. Sinister who has stolen the F-143, a very important secret device from S.P.Y. (Sisters Protecting You), a top secret agency dedicated to protecting the world against super villains. If the secret device is activated, it will destroy the world!Their mission takes them to the beautiful city of Paris, where they must find Dr. Sinister’s hideout and put an end to his evil plans.Can the sisters save the world?

The stakes have never been higher for Cooper Wilder. When an accident puts Cooper’s dad in the hospital, Cooper must shoulder some new responsibilities. But he’s distracted. First, he and his friends find a fox caught in an illegal trap on the campground’s land. Then kits start to go missing from the fox den. Who would want to catch foxes? And why? Cooper, Packrat, and Roy must protect the den, find the kits, and rule out Summer, the new girl who lives across the lake, as a suspect. Juggling new campground duties, feeling guilty over his father’s accident, and desperate to help the fox kits, Cooper must make some tough decisions about who―and what―should come first.

When Harold is invited to a fancy dress birthday party, he and his friends must come up with some fantastic outfits. The party is going really well but when the birthday boy's cake is stolen during a game in the dark, everyone is a prime suspect in the mystery of the missing cake. Can Harold piece the clues together to solve the mystery and save the party? Find out in this fantastic new adventure starring everyone's favourite fox detective, the irrepressible Harold. A funny story which encourages honesty and sharing, this is set to become a family favourite.

Thirteen-year-old Cedar Creek sleuth, Mallory Gilmartin, is once again involved in a mystery filled with risk and intrigue. An antique Ming vase has been stolen from the town's elderly librarian-the same vase that someone claims was stolen from them some thirty years earlier. Aided by a determined ghostly apparition from the past, Mallory finds herself on a dangerous path as she attempts to unravel the truth behind the strange missing Ming. Following in the same vein as Anne Loader McGee's first book in the Cedar Creek mystery series, The Mystery at Marlatt Manor, the second book, The Mystery of the Missing Ming, is equally full of YA paranormal action, adventure, and mystery, with elements of surprise guaranteed to keep your heart pounding throughout every page.