Beyond the Blue Event Horizon (Heechee Saga)

Horizon

by Frederik Pohl

Mass Market Paperback

ISBN: 978-0-345-27535-6

ISBN-10: 0-345-27535-7

Del Rey · 1980

See also:
2009PaperbackBeyond the Blue Event Horizon (Heechee)
2000PaperbackBeyond the Blue Event Horizon (Heechee Saga, Book 2)
1981PaperbackBeyond The Blue Event Horizon (Orbit Books)