"'Look out!' The imparted words, quicker, more direct than speech, broke from Cass. Warned, the man leaped out of the path of the oncoming vehicle. Then turning, he saw her and understood. Knew her words had not been spoken. Had sounded only in his head. Psy Four! The silent scream tore across his constant. But it would not be silent long. It was about to burst from him. For trying to save his life she would have hers taken. He opened his mouth to...

For more than forty years, the U.S. government has researched extrasensory perception, using it in attempts to locate hostages, fugitives, secret bases, and downed fighter jets; to divine other nations' secrets; and even to predict future threats to national security. The intelligence agencies and military services involved include the CIA, DIA, NSA, DEA, the Navy, Air Force, and Army--and even the Joint Chiefs of Staff. Now, for the first time, Jacobsen...