Beautiful and mysterious, The Keeper of Secrets by Julie Thomas follows a priceless violin across generations--from WWII to Stalinist Russia to the gilded international concert halls of today--and reveals the loss, love, and secrets of the families who owned it.

In 1939 Berlin, 14-year-old Simon Horowitz's world is stirred by his father's 1742 Guarneri del Gesu violin. When Nazis march across Europe and Simon is sent to Dachau, he finds unexpected kindness, and a chance to live.

In the present day, orchestra conductor Rafael Gomez finds himself inspired by...