The ANZAC Book
(Click on "Impatient?". This is a link to an archive of http://www.firstaif.info/anzac-book/ [no longer operating]. Some images unavailable.)
Reproduction of a book  published in 1916 which was "written and illustrated in Gallipoli by the men of ANZAC" and edited by C.E.W. Bean. (A third edition of this book, containing material omitted from the first edition, is available commercially. The speech given by the writer of the 3rd edition's foreward, Les Carlyon is available in his blog.)

 

Official histories - First World War (awm.gov.au)
Presented by the Australian War Memorial. See especially:

● The story of ANZAC to 4 May 1915 by C.E.W. Bean (published 1941)

● The story of ANZAC from 4 May 1915 by C.E.W. Bean (published 1941)

● Australian Army Medical Services 1914-18 Vol. 1 Part 1 by A.G. Butler (published 1938)

● Anzac to Amiens by C.E.W. Bean - especially Ch. VI to XI (first published 1946)

● Gallipoli Mission by C.E.W. Bean (published 1948)

For information about Mr Bean see

● Charles Bean and the Official History of Australia in the War of 1914–1918

ANZAC - a national heirloom (anzacsite.gov.au)
Interactive display of original documents, including some book covers.
 

THE ANZAC STORY by T.A. Miles
Reproduction of a book "for boys and girls", published in 1957.
[Archived from http://www.firstaif.info/anzac-story which no longer appears to be operating. May be slow to load. Some images unavailable.]