While the book is just 100 pages, it took Kaiser more than five years to uncover this story of a couple who were separated while the Nazis ruled Germany. The author stumbled on the story when he bought a bundle of envelopes containing letters from Rudolf Kaufmann to Ingeborg Magnusson at a stamp auction. Intrigued, he traced the couple's love story through newspapers, Kaufmann's geology disseration, and interviews with people who knew them. Photographs and images of the correspondence help to fl More...