Flint, Eric <br/><br/>
Threshold 
by Eric Flint and Ryk E. Spoor 
 - Riverdale, N.Y  Baen  2010 
 - 309 p. : ill. ; 25 cm 
<br/><br/><label>ISBN: </label>9781439133606 
<br/><br/><label>ISSN: </label>2010009368 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life on other planets - Fiction<br/>Women paleontologists - Fiction
<br/><br/><label>Dewey Class. No.: </label>813.54 FLI