The Detective's Assistant

Eleven-year-old Nell Warne arrives on her aunt Kitty's doorstep in Chicago after being orphaned. Aunt Kitty works as America's first female detective for the Pinkerton National Detective Agency in 1859. Nell convinces her aunt to let her stay by proving herself useful in solving cases. The pair take on investigations involving counterfeiters, thieves, and murderers while navigating the dangerous world of pre-Civil War America. The story incorporates real historical events and figures, including Allan Pinkerton and the Underground Railroad. Through coded letters to her best friend, Nell shares her experiences working alongside her aunt on cases that take them from Chicago to New York. This middle-grade novel explores themes of family bonds, female empowerment, and justice while bringing a lesser-known chapter of American history to life. The blend of mystery and historical fiction highlights the role of women and children in shaping the nation during a pivotal era.

Readers praise the blend of historical facts with an engaging mystery narrative, noting how real cases from Kate Warne's career are woven into the story. Many highlight the strong female characters and appreciate how the book introduces young readers to America's first female detective. Common praise includes the authentic period details, coded messages for readers to solve, and the aunt-niece relationship development. Several teachers report student enthusiasm for the interactive mystery elements. Main criticisms focus on the slow pacing in early chapters and some readers find the historical context overwhelming for middle-grade audiences. A few note that the mystery plot gets overshadowed by historical events. Ratings: Goodreads: 3.9/5 (1,200+ ratings) Amazon: 4.4/5 (80+ reviews) Common Sense Media: 4/5 One frequent Goodreads comment mentions the book works better as historical fiction than as a mystery. Amazon reviewers frequently recommend it for classroom use, with multiple teachers noting increased student interest in historical topics after reading.

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🔍 The book is based on the true story of Kate Warne, America's first female detective, who worked for the Pinkerton Detective Agency in the 1850s 🚂 Kate Warne helped protect Abraham Lincoln from an assassination attempt in 1861 by helping smuggle him safely to Washington, D.C. for his inauguration 📚 Author Kate Hannigan spent three years researching historical documents and newspapers from the 1850s to accurately portray the time period 🕵️‍♀️ The Pinkerton Agency created a Women's Bureau in 1860, led by Kate Warne, to employ female detectives—revolutionary for that time 🏆 The Detective's Assistant won the 2016 Golden Kite Award for Middle Grade Fiction and was named a CCBC Choices selection by the Cooperative Children's Book Center