The folks of Troublesome Creek have to scrap for everything—everything except books, that is. Thanks to Roosevelt's Kentucky Pack Horse Library Project, Troublesome's got its very own traveling librarian, Cussy Mary Carter. Cussy's not only a book woman, however; she's also the last of her kind, her skin a shade of blue unlike most anyone else. Not everyone is keen on Cussy's family or the government's new book program, and along her treacherous route, Cussy faces doubters at every turn. If Cussy wants to bring the joy of books to the complex and hardscrabble Kentuckians, she's going to have to confront dangers and prejudice as old as the Appalachias and suspicion as deep as the holler.