Notes
Expansion of the 1971 novelette "Wheels Within Wheels".
- "First Edition" stated on the copyright page.
- The copyright page contains the complete Library of Congress Cataloging in Publication Data including the ISBN (0-385-14397-4), and the LCCN (78-3262).
- "A different version of this novel appeared as 'Wheels Within Wheels' in Analog" stated on the copyright page.
- Year of publication stated on the title page.
- Price and month of publication from Locus #217 (December 1978).
- Gutter code "I38" on page 175 indicates a printing in September 1978.
- "Jacket illustration by David Wilhelmson (over) Jacket typography by Elizabeth Levine" printed on the back flap of the dustjacket.
- The verified copy is price-clipped with a publisher's sticker price of $9.95.
- Unusual pagination as follows:
- [i.] First title page [ii. is blank]
- [iii.] Second title page (with author, publisher and year)
- [iv.] Copyright page
- [v.] Dedication page
- [vi.] "In-universe" quotation
- vii - x. "Prologue"
- [xi.] "In-universe" quotation [xii. is blank]
- [xiii.] Third title page [xiv. is blank]
- 1 - 176 [The novel's text]
- [177] "In-universe" quotation
