"The Colour of Steam #9: The Great Eastern Line" is a book focusing on the railwayana theme, specifically covering the British Rail era from 1948 to 1997. Published by the LNER company, this book offers a detailed exploration of the Great Eastern Line, providing transportation collectables enthusiasts with valuable insights and information. With a strong emphasis on the history and legacy of this particular railway line, this book is a must-have for collectors and enthusiasts alike.