This book is the serious work of a professional aerospace engineer. It shares profound discoveries made during 40+ years of objective research, about the nature

This riveting personal account by a leading figure in the field of UFO study and an optical physicist features Walters's startling recollections of "missing tim

Imagine . . . you're in the woods after dark. Eerie green lights appear in the distance. Then there's a sudden flash and everything is dark again. You decide to