Half a page plus one illustration of humans and 100 alien races. Racial Parameters are given for each in a comparison table, with humans average 300 out of 1000 for each of the six statistics given - STR, DEX, CON, SPD, PSI, and EMP. Planet statistics for all races are given also. Conversion notes are given for Traveller, Space Patrol, and Space Quest.
From the Acknowledgments:
"Many of the races in this Spacefarer's Guide - fourty-five to be exact - were directly inspired by works of science fiction. I am happy to acknowledge these sources, which are listed below. All are excellent resources for the SFRP gamer."