Fans of Stephen King’s 'The Dark Tower' will definitely want this picture book about a train engine and his devoted engineer. Engineer Bob has a secret: His train engine, Charlie the Choo-Choo, is alive … and also his best friend. From celebrated author Beryl Evans and illustrator Ned Dameron comes a story about friendship, loyalty, and hard work. Beryl Evans is the pseudonym adopted by Stephen King for this picture book, 'Charlie the Choo-Choo'.