A first edition copy of the first book in the Thomas the Tank Engine series is due to be sold at auction alongside early versions of other children’s classics. The Three Railway Engines, the first book in The Railway Series which introduced Thomas the Tank Engine, was published in 1946. The picture book by Rev Wilbert Awdry introduces Edward, Gordon, and Henry who all live in the same shed and don’t get along until a series of adventures teaches them to be friends. The first edition up for auction is a hardback, yellow-covered picture book valued from £300 to £500. Others include an early Peter Rabbit book by Beatrix Potter, as well as Quentin Blake sketches of Roald Dahl’s BFG.