The following is a list of great books which deal specifically with ANZAC day. I've also included some powerful books that tackle the nature of war, both picture books AND chapter books, allowing a more broader discussion to take place.
Only a Donkey by Celeste Walters, Patricia Mullins. Gorgeous story about a donkey who brings magic to his fellow farm animals by showing them the story of Simpson and his donkey, who saved so many lives in WWI.
"The Beach They Called Gallipoli", by Jackie French, illustrated by Bruce Whatley - More than a book about ANZACS, this stunningly illustrated book is about and for all of the nationalities who fought at Gallipoli, no matter what side they were on.
Young soldier Jim McLeod waits in the trenches of World War I for the order to attack the enemy. With him are his friends, and Nipper, the messenger dog. When they charge across no-man's-land, Jim is shot . and finds himself face to face with an enemy