All Fall Down by Ally Carter is a thrilling young adult novel that follows the adventures of a group of friends who discover a secret society with hidden powers.
 
After a series of mysterious events, best friends Emily, Sam, and Ben uncover a secret society known as the "Fallen Angels." The group soon finds themselves drawn into a dangerous game that could have devastating consequences.
With their lives on the line, Emily, Sam, and Ben must use their wits and courage to unravel the secrets of the Fallen Angels and stop their sinister plans. The novel is filled with action, suspense, and a touch of romance, making it a captivating read for young adult fans of adventure and mystery.