00493nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001700084100002500101245012900126260003600255300001000291650002000301650001400321IN-BaIIA211028s9999    xx            000 0 eng d  a1-59102-188-x  cIIA Library  a52(092)bTYS  aTyson, Neil DeGrasse 4aThe sky is not the limitbadventures of an urban astrophysicistcNeil DeGrasse Tyson                                          aNewYorkbPrometheus Booksc2004  a203p.  aAstrophysicists  aBiography