In the new book SECRETS ON DISPLAY, Spy Museum Adult Education Director Amanda Ohlke explores the story of Mata Hari and what made her one of history's most infamous spies. It wasn't just her charm, it was access to the right people, and the right places. From Mata Hari's story to Cold War tunnels to assassination weapons, this book explores 200 artifacts and untold stories from the Spy Museum collection. Available at the International Spy Museum Store. https://spymuseumstore.org/collections/adu