'The Wizard of Oz' originally published: as 'The wonderful Wizard of Oz', Chicago : G.M. Hill Co., 1900 ; and as 'The Wizard of Oz', London : Hutchinson, 1926.
'The marvellous land of Oz' originally published: Chicago : Reilly and Briton ; London : Revell, 1904.
The Wizard of Oz ; [and], The marvellous land of Oz by L. Frank Baum. ISBN 0706410637. Published by Octopus Books in 1979. Publication and catalogue information, links to buy online and reader comments.