Cramp, Leonard G. <br/><br/>
Ufos and anti gravity :  piece for a jig saw / 
Leornard G. Cramp 
 - Kempton, Ill. :  Adventures Unlimited Press ,  c1996 
 - 388 p. :  ill. ;  22 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0932813437 9780932813435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unidentified flying objects