"Overground Railroad chronicles the history of the Green Book, which was published from 1936 to 1966 and was the "Black travel guide to America." For years, it was dangerous for African Americans to travel in the United States. Because of segregation, Black travelers couldn't eat, sleep, or even get gas at most white-owned businesses. The Green Book listed hotels, restaurants, department stores, gas stations, recreational destinations, and other businesses...

"A book for nature lovers, explorers, hikers, armchair travelers or anyone who wants to learn more about our incredible national parks."--Back cover.