Sievert, Terri. <br/><br/>
The unsolved mystery of UFOs / 
by Terri Sievert. 
 - North Mankato, Minn. :  Capstone Press,  c2013. 
 - 24 p. :  col. ill. ;  21 cm. 
 - First facts. Unexplained mysteries .
<br/><br/>Includes bibliographical references (p. 23) and index. 
<br/><br/>An object in the sky -- History and legend -- UfO or not? -- Searching for UFOs. 
<br/><br/> "Presents the mystery of UFOs, including current theories and famous examples"--Provided by publisher. 
<br/><br/><label>ISBN: </label>9781620651353 (library binding) 9781620658123 (pbk.) 
<br/><br/><label>LCCN: </label>2012028441 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unidentified flying objects--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>TL789.2  / .S543 2013 
<br/><br/><label>Dewey Class. No.: </label>001.942