Benno and the Night of Broken Glass by Meg Viviott, illustrated by Josee Bisaillon

From chapters.ca:
A neighbourhood cat observes the changes in German and Jewish families in Berlin during the period leading up to Kristallnacht, the Night of Broken Glass. This cat's- eye view introduces the Holocaust to children in a gentle way that can open discussion of this period.

The 39 Clues Cahills vs. Vespers Book 1: The Medusa Plot by Gordon Korman

From chapters.ca:
An explosive new series from the bestselling 39 Clues franchise - the adventure is just beginning! The Clue hunt is over, but Amy and Dan's adventures have just begun. Cahills across the globe have been kidnapped by a new enemy, the Vespers, and it's up to Amy and Dan to perform a dangerous ransom - a race that will take them from the hidden tunnels of the Roman Coliseum to the ancient city of Timbuktu. If Amy and Dan can't stop the Vespers... the whole world will pay.

The 39 Clues Book Two: One False Note by Gordon Korman

From chapters.ca:
Amy and Dan Cahill were spotted on a train, hot on the trail of one of 39 Clues hidden around the world. But wait! Police report a break- in at an elite hotel, and the suspects also sound suspiciously like Amy and Dan.

I Was There by Hans Peter Richter

This book is narrated by a young boy who joins the Hitler Youth and is turned from an innocent youngster into one of Hitler's soldiers.

This is another book that is hard to find (though this could largely be due to the fact that the title is largely unsearchable). Sorry I couldn't find a larger image of the cover. If I can get my hands on a copy I'll get a bigger picture on the post.

Hitler Youth: Growing Up in Hitler's Shadow by Susan Campbell Bartoletti

This is a well written and insightful look into the lives of those children that lived though the Second World War in Germany and were not persecuted.