Vienna Prelude (1989) by Bodie and Brock Thoene
An Austrian violinist joins the Resistance and uses her connections to help Jews in WW II Vienna; first book in the series.
“I found myself consumed with the story of the Lindheim family. The complexities of a Jewish family in increasingly Nazi Germany are not only the stuff of a good novel but instances of human existence perhaps unparalleled in history.” – blogger Kyle