THIS MANUAL IS FROM 1948, VOLUME I, ENTITLED AIR ROTC INTRODUCTION TO THE U.S. AIR FORCE. THE FRONT COVER IS BEGINNING TO COME LOOSE FROM THE SPINE AT THE BOTTOM. THERE ARE SOME NOTES, ETC. IN THE BOOK BUT ONLY ON TWO PAGES THAT I SAW AND THEY ARE MORE LIKE DOODLES. PHOTOS ARE IN BLACK AND WHITE. THE FRONT COVER READS RESTRICTED. ADC MANUAL50-200-2 AIR DEFENSE COMMAND.