Rust and Stardust by T. Greenwood

In 1948, pedophile Frank La Salle abducted an 11 year-old girl name Florence Sally Horner. For 21 months, La Salle traveled with Horner from state to state, dodging the FBI and local police until he was finally apprehended and brought to justice. The story of Horner and her abductor captured the nation’s attention and inspired