TPPL - Chapter Books - Mystery

"Daphne is off to an exclusive girls' boarding school, where she'll be given a brand-new start after her expulsion. But St. Rita's school for girls is not your ordinary school. And these are certainly not ordinary girls. As it turns out, nothing is quite what you'd expect at St. Rita's. But then she meets Emily Lime, a crime-solving genius, who's looking for a new library assistant. And the book smart Daphne is just the girl for the job. Mystery and...

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and twelve-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo's home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects...

"Thelonius Mitchell is tired of being labeled. He's in special ed, separated from the "normal" kids at school who don't have any "issues." That's enough to make all the teachers and students look at him and his friends with a constant side-eye. (Although his disruptive antics and pranks have given him a rep too.) When a gun is found at a neighborhood hangout, Thelonius and his pals become instant suspects. Thelonius may be guilty of pulling crazy...

As a Young Scientist, twelve-year-old Addie studies pollution in the lake where her twin brother recently drowned, while secretly continuing his investigation of the creature he believed lives in the lake's depths.

When strange and seemingly unrelated events start to happen and a precious Vermeer painting disappears, eleven-year-olds Petra and Calder combine their talents to solve an international art scandal.

"Imagines an alternate 1826 London, where Ada Lovelace (the world's first computer programmer) and Mary Shelley (author of Frankenstein) meet as girls and form a secret detective agency. Their first case involves a stolen heirloom, a false confession, and an array of fishy suspects"--

Eight-year-old twins Zach and Zoe follow clues to find Zach's missing baseball, signed by his favorite major league player, while competing in Spirit Week events at school.

Eleven-year-old Kazuko, already well-known for "helping" the police, investigates a rash of dognappings, aided by her Japanese mastiff, Genki, and friends.--

"When twelve-year-old Reuben finds a peculiar, magical watch that has the power to turn its wearer invisible, he's propelled on the adventure of a lifetime"-- When Reuben discovers an antique watch that was mortared into the wall, he soon learns it has a secret power. As one secret leads to another, Reuben finds himself torn between his innately honest nature and the lure to be a hero. Now he is on a dangerous adventure, and with fearless Penny,...

In 1929 New York City, twelve-year-old housemaid Martha O'Doyle suspects that a wealthy recluse may be trying to communicate with the outside world through the paintings on her gallery walls.