Here is a list of WWII historical fiction

The Button War: A Tale of the Great War
The War I Finally Won - Bradley, Kimberly
Allies - Gratz, Allen
How I Became a Spy: A mystery of WWII London - Hopkinson, Deborah
Dash - Larson, Kirby
Liberty - Larson, Kirby
Night Witches: A novel of World War II - Lasky, Kathryn
Under the Broken Sky - Nagai, Mariko
Resistance - Nielson, Jennifer
My Secret War: The World War II Diary of Madeline Beck - Osborne, Mary
Escape from War - Riordan, James
Making Bombs for Hitler - Skrypuch Marsha
I Survived the Battle of D-Day, 1944 - Tarshis, Lauren
I Survived the Nazi Invasion, 1944 - Tarshis, Lauren
The Secret Room - Townson, Hazel
Depth Charge - Sherman, M. Zachary
A Time for War - Sherman, M. Zachary
I Will Come Back for You: A Family in Hiding During WWII - Russo, Marisabina
Brave Deeds: How One Family Saved Many from the Nazis - Alma, Ann
The War that Saved My Life - Bradley, Kimberly
Code Talker: A Novel about the Navaho Marines of WWII - Bruchac, Joseph
Soldier Bear - Duman Tak, Bibi
Gingersnap - Giff, Patricia R.
Aleutian Sparrow - Hesse, Karen
Hero on a Bicycle - Hughes, Shirley