00491nam a2200145Ia 4500003000900000008004100009020001800050040001600068080001700084100002500101245012800126260003700254300001000291650004400301IN-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                                         aNew YorkbPrometheus Booksc2004  a302p.  aAstrophysicist-United States- Biography