Challenger Publications

Transport publisher Presumably taken over at some time by Book Law Publications who continued the use of ISBN series 978-1-899624-

	Title	Format
	Great Northern Railway Engine Sheds Volume 3: Yorkshire & Lancashire	Hardback

	Title	Format
	Great Northern Railway Engine Sheds Volume 2: The Lincolnshire Loop, Nottinghamshire & Derbyshire	Hardback
	British Raiway Locomotive Works in the days of steam; An enthusiasts view	Paperback