A librarian and her cat stumble upon a murder and must uncover the truth before the killer strikes again. Minnie Hamilton, a librarian who travels with her rescue cat Eddie in a bookmobile, discovers a dead bicyclist after witnessing a car speeding away. Initially suspecting a hit-and-run, Minnie's investigation reveals a more complex case with hidden motives. She must use her sharp intellect to decipher the clues and identify the perpetrator, who is far more dangerous than a simple traffic offender. The narrative unfolds as Minnie navigates the small-town community, piecing together the events that led to the fatal encounter.

This installment in the Bookmobile Cat Mystery series is likely to appeal to fans of cozy mysteries who enjoy amateur sleuths and animal companions. The premise suggests a lighthearted yet engaging plot, with a focus on community dynamics and a well-paced investigation. Readers can expect a charming setting and a satisfying resolution as Minnie Hamilton uses her unique skills to bring a killer to justice. The inclusion of a feline sidekick adds a distinctive and endearing element to the mystery.