Known as The X-Hunters " authors Peter W. Merlin & Tony Moore have located more than 100 crash sites of exotic aircraft from Edwards air Force Base & Area 51. Together they have recovered parts of supersonic rocket planes stealthy spy craft & vehicles that have reached the edge of space. Each story in the book profiles an unusual aircraft & the brave men who flew them. The authors examine the contributing causes of each crash & use then-&-now photographs to illustrate their findings. The stories end with The X-Hunters search for the crash site & what they discovered. Each adventure combines C.S.I.-type skills with X-Files persistence with a dash of Indiana Jones for adventure. Aircraft profiled include the YB-49 & a pair of N9M flying wings X-1A X-1D VB-51 XB-70 SR-71 YF-12 U-2 prototype & many more."