Trefil, James,  1938- <br/><br/>
Imagined life :  a speculative scientific journey among the exoplanets in search of intelligent aliens, ice creatures, and supergravity animals / 
James Trefil, Michael Summers. 
 - 232 pages :  illustrations (some color) ;  24 cm. 
<br/><br/><label>ISBN: </label>9781588346643  RM111.19 (PTSL) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life on other planets.<br/>Extraterrestrial beings.<br/>Extrasolar planets.<br/>Habitable planets.