Ferguson, Kitty Prisons of light : black holes Kitty Ferguson - Cambridge Cambridge University Press 1996 - 214 p. : ill. ; 24 cm Includes bibliographical references (p. [203]-205) and index ISBN: 521495180 ISSN: 96011729 Subjects--Topical Terms: Black holes (Astronomy) Dewey Class. No.: 523.8875 FER