Adler, David A. <br/><br/>
Cam Jansen and the mystery of the U.F.O. / 
David A. Adler ; illustrated by Susanna Natti. 
 - New York :  Dell Pub. Co.,  1982, c1980. 
 - 58 p. :  ill. 
 - A Yearling book. A Cam Jansen adventure ;  2. .
<br/><br/> Ten-year-old Cam, possessor of a photographic memory, and her friend Eric investigate what seems to be a brief appearance of U.F.O.s. 
<br/><br/><label>ISBN: </label>0440411424 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.