Popular Science Monthly
April 1969
Vol. 194, No. 4
 
Articles:
* Condon Report on UFO's:
Is it fact or Phony?
* Navy Scientist's Own Story:
How We Found the Sunken Sub Scorpion!
* Amazing Radial Engine in
Pontiac's Mini-Car

Secure binding with crumpled pages & rippling along spine cover. Small tear at top spine and mild cover creases.
About 9 x 6-1/2.