"Twelve-year-old Truly Lovejoy's family moves to a small town to take over a bookstore. Soon, she has to solve two mysteries involving a missing book and an undelivered letter"-- Provided by the publisher.
When someone takes a pet goldfish, then other items from Ms. Herschel's classroom, each time leaving a clue in the form of a poem, student Edgar Allan competes with a classmate to be first to solve the mystery.
As if being small and having S. Horten as his name isn't bad enough, now 10-year-old Stuart is forced to move far away from all his friends. But on his very first day in his new home, Stuart's swept up in an extraordinary adventure: the quest to find his great-uncle Tony--a famous magician who literally disappeared off the face of the earth--and Tony's marvelous, long-lost workshop.
On her first day in New York City with her younger brother, Kevin, twelve-year-old Lexi overhears thieves discussing where to hide stolen jewels, and the siblings, along with their aunt's neighbor, Kim Ling, skip day camp to investigate "the crime of the century."
"Sixth grader Edmund Xavier Lonnrot, codename "Eddie Red," has a photographic memory and talent for drawing anything he sees. When the NYPD is stumped by a mastermind art thief, Eddie becomes their secret weapon to solve the case"-- Provided by the publisher.
In 1871 Wisconsin, thirteen-year-old Georgia sets out to find her sister Agatha, presumed dead when remains are found wearing the dress she was last seen in, and before the end of the year gains fame as a sharpshooter and foiler of counterfeiters.
Twelve-year-old Nicholas and his ten-year-old, twin sisters, Hetty and Haley, spend the summer with their Great-Uncle Nick at Forsaken Lake, where he and their new friend Charlie investigate the truth about an accident involving their families many years before.
When twelve-year-old Steve Brixton, a fan of Bailey Brothers detective novels, is mistaken for a real detective, he must elude librarians, police, and the mysterious Mr. E as he seeks a missing quilt containing coded information. (Brixton Brothers #1)
While on summer vacation at the seaside, twelve-year-old Irene Adler meets the young Sherlock Holmes, and his friend Arsène Lupin--and when a dead body floats ashore the three young friends set out to solve the mystery.
Follows three young operatives of a Psychic Detection Agency as they battle an epidemic of ghosts in London. (Lockwood & Co #1)
Her grandfather's dying words lead thirteen-year-old Theodora Tenpenny to a valuable, hidden painting she fears may be stolen, but it is her search for answers in her Greenwich Village neighborhood that brings a real treasure.
When the Smithfork family moves into a lavish Manhattan apartment building, they discover clues to a decades-old mystery hidden behind the walls of their new home.