Zillary Zahn, a Ph.D. physicist, tells a fascinating and intriguing tale of espionage and international sexual swing parties in which he participated in the 1970s and 1980s. Now, due to partial declassification of documents by the U.S. government, Zahn can inform the public about these events for the very first time.At a swing party, Zahn finds himself bonding with an elegant, high-tech Silicon Valley entrepreneurial couple. Traveling with them throughout Europe, including some Communist bloc countries, he attends scientific conferences and international swing parties. Zahn describes these parties in authentic detail, placing you - the reader - in the midst of the scene. Unknown to Zahn at the time, the Silicon Valley couple were under investigation by the FBI for passing secrets to the Soviets. . .And so, the erotic espionage story unfolds. Shrouded in secrecy for over 35 years, this elaborate adventure can now be revealed.