Penny Nichols and the Mystery of the Lost Key

In the bustling world of a 1930s department store, Penny Nichols is a quick‑witted teenager whose love of fashion is matched only by her sharp eye for detail. When a well‑dressed stranger attempts to swipe a priceless diamond, Penny’s instinct drives her to intervene, turning a routine shopping trip into a chaotic chase through revolving doors and moving staircases. Her boldness draws the attention of the store’s detective and a handful of daring shoppers, setting the stage for a lively cat‑and‑mouse pursuit.

The novel blends the excitement of a classic whodunit with the everyday concerns of a young girl living on a tight budget. As Penny wrestles with her own modest allowances, she discovers a talent for spotting trouble and a courage that belies her age. Readers are invited to follow her through the glittering aisles, feeling every heartbeat of the pursuit while getting a delightful glimpse of early‑20th‑century city life.