Hang gliding  [Books]. 
Produced in collaboration with the British hang gliding association. 
 - 2nd ed. 
 -  1985 
 - Pages: 36 
<br/><br/><label>ISBN: </label>0713655011  0.00 
<br/><br/><label>Dewey Class. No.: </label>GV/762  / HAN