The For a new generation, share the story of Rosa Park's 1955 arrest for not giving up her seat on a Montgomery, Alabama bus, and the boycott it sparked. The history of the 381 day-long Montgomery Bus Boycott sparked when NAACP secretary and investigator Rosa parks refused to change seats when a Caucasian man entered the segregated bus. Age Range: 8 - 14 years, Grade Level: 3 - 4, Graphic History, Paperback: 32 pages.