Password To Larkspur Lane by Carolyn Keene

In this thrilling mystery, the young detective finds herself embroiled in a perplexing case involving a mysterious message delivered by a wounded carrier pigeon. As she delves deeper, she uncovers a sinister plot involving a secretive sanitarium, a missing woman, and a hidden treasure. With her keen intuition and the help of her loyal friends, she navigates through a series of dangerous encounters and cryptic clues, ultimately unraveling the secrets that lie within the enigmatic Larkspur Lane.

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