Rollin, James, <br/><br/>
The 6th extinction :  a sigma force novel / 
James Rollins. 
 - 587 pages :  illustrations ;  19 cm. 
<br/><br/><label>ISBN: </label>9780061785696  RM44.55 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special operations (Military science)--Fiction.