Orbit 15

Notes

• "First Edition"
• The three essays in the book -- "They Say", "The Memory Machine" and "Arcs and Secants" -- are uncredited in the table of contents or in the text, but attributed to Damon Knight on the back flap of the dust jacket.
• The two Edward Wellen "stories" are not listed on the contents page.
• On bottom of last blank page before RFEP is printing number line "74 75 76 77 10 9 8 7 6 5 4 3 2 1", indicating a first printing in 1974.
• LCCN on copyright page, 74-1890, is not on the LoC site.