Available Editions

Collection

Paperback

Book cover for Still I Persist in Wondering
1978 Year
Dell Publisher
ISBN-13: 978-0-440-18277-1
ISBN-10: 0-440-18277-8
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Anthology

Hardcover

Book cover for Universe 2
1976 Year
Dennis Dobson Publisher
ISBN-13: 978-0-234-77122-8
ISBN-10: 0-234-77122-4
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Paperback

Book cover for Universe 2
1972 Year
Ace Books Publisher
ISBN-13: 978-0-441-84601-6
ISBN-10: 0-441-84601-7
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