that to be told pilecki. when i heard to the words i had goose bums but a they are verbatim what pilecki made alexander enemy rise while he was in the -- memorize while he was in the camp and it's a stunning idea to think what might have happened had the allies intervened and i went on to trace up to ten of pilecki's reports, each time i was there to find using the same sort of process of deductive reasoning and finding family members and retracing journeys, finding their reports made their way to london and the reason why i argue in the book, why i'm so passionate about pilecki's story, the reason why it's so important is that he charts the steps through his writings by which the nazis turned auschwitz interest a concentration camp for polish nationals into the center of the final solution and his reports are -- bear witness in an extraordinary way to different steps, and it's one of histories great what might have businesses, what would have hand had the world listened sooner. so, i would like to leave it t