Any first-hand evidence inevitably suffers from one-sidedness, since no one can know everything. This is especially evident when trying to talk about intelligence operations when events in the enemy camp are hidden. In this book, the already well-known memoirs of Pavel Sudoplatov about the fight against Trotsky, radio games with the Nazi command and obtaining information about the atomic bomb are supplemented by testimonies of those against whom he worked - Trotsky's bodyguard Jean van Heijenoort, Hitler's chief saboteur Otto Skorzeny and the head of the Manhattan project" by Leslie Groves.