Jackson, Robert <br/><br/>
U.F.Os / 
Robert Jackson. 
 - Kent :  Grange Books,  1998. 
 - 80 p. : ill. (part col.) 
 - Library of the unexplained great mysteries .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unidentified flying objects--Juvenile literature