Also Try:
2019 book by Jack Fairweather about Witold Pilecki
The Volunteer: The True Story of the Resistance Hero Who Infiltrated Auschwitz is a 2019 book which presents research by British writer Jack Fairweather, a former Washington Post war correspondent, into the life of Witold Pilecki, a Polish soldier and Home Army resistance fighter who infiltrated the infamous Auschwitz concentration camp. The book was met with positive reception from critics and wo... Wikipedia