YA A readable and informative book on astronomy with 34 magnificent color plates. Snow covers basic concepts as well as black holes, quasars and pulsars, packing a lot of content into this short book. Religious groups will find his coverage of ``Life in the Universe'' to be non-threatening. Because of the amount of information packed into not too many pages, this is a science book that teens will want to read for pleasure. Tom Wysocki, Prince George's County Public School System, Md.