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The Secret Investigator of Astor Street: A Piper Sail Mystery

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A 2026 LIBRARIAN FAVORITE, Children’s Book Council

After high school graduation, Piper Sail isn’t quite sure what her future holds—until a possible murder case lands in her lap. Filled with both the glitz and glamor of high society and the dark mafia underbelly of 1920s Chicago, The Secret Investigator of Astor Street is perfect for fans of Agatha Christie and Maureen Johnson.

Piper Sail knows what she wants: to become a detective. After all, she already solved the case of her missing best fr...