1. The Masks of Time
by Silverberg Robert 
Price: USD 4.00
Dealer: Biblio, John Thompson
Description: U.S.: Ballantine, Date: 1973. square tight copy with light wear on covers.. 2nd Printing. Mass Market Paperback. Very Good +. 1973. Ballantine ISBN 0345234464 9780345234469 [CA] 

2. The Masks of Time
by Silverberg, Robert 
Price: USD 4.00
Dealer: Abebooks, John Thompson
Description: ISBN10: 0345234464, ISBN13: 9780345234469, [publisher: Ballantine, U.S.] Softcover square tight copy with light wear on covers. [Winnipeg, MB, Canada] [Publication Year: 1973]  

3. The Masks of Time
by Robert Silverberg; Illustrator Phil Kirkland 
Price: USD 4.93
Dealer: Biblio, Sagebrush Valley Book Shoppe
Description: Ballantine Books, Date: 1973-07-12. Second Printing. Mass Market Paperback. Very Good. minor wear and yellowing 1973. Ballantine Books ISBN 0345234464 9780345234469 [US] 

4. The Masks of Time
by Silverberg Robert 
Price: USD 4.98
Dealer: Biblio, Zardoz Books
Description: Ballantine Books, Date: 1968. U6121. vg. Ballantine vg paperback 1973 In stock shipped from our UK warehouse 1968. Ballantine Books ISBN 0345234464 9780345234469 [GB] 

5. The Masks of Time
by Silverberg, Robert 
Price: USD 5.06
Dealer: AbebooksUK, Allyouneedisbooks Ltd
Description: ISBN10: 0345234464, ISBN13: 9780345234469, [publisher: Ballantine Books] Softcover Ballantine vg paperback 1973 In stock shipped from our UK warehouse [Westbury, WILTS, United Kingdom] [Publication Year: 1968]  

6. The Masks of Time
by Robert Silverberg 
Price: USD 6.49
Dealer: Alibris, Websters Bookstore Cafe via Alibris
Description: Ballantine Books 1973 mass_market Very good Light shelf wear. Else clean and tight. 

7. The Masks of Time
by Robert Silverberg 
Price: USD 6.49
Dealer: Biblio, Webster's Bookstore Cafe
Description: Ballantine Books, 7/12/Date: 1973 12:00:01 A. mass_market. Very Good. 0.7000 in x 7.0000 in x 4.1000 in. Light shelf wear. Else clean and tight. 1973. Ballantine Books ISBN 0345234464 9780345234469 [US] 

8. The Masks of Time
by Robert Silverberg 
Price: USD 6.49
Dealer: Abebooks, Webster's Bookstore Cafe, Inc.
Description: ISBN10: 0345234464, ISBN13: 9780345234469, [publisher: Ballantine Books] Softcover Light shelf wear. Else clean and tight. [State College, PA, U.S.A.] [Publication Year: 1973]  

9. The Masks of Time
by Robert Silverberg 
Price: USD 10.00
Dealer: Abebooks, Code X Books
Description: ISBN10: 0345234464, ISBN13: 9780345234469, [publisher: Ballantine Books] Softcover The year is 1999. The century is about to turn. The civilized world is prosperous but tense with fear about the possibility of a major war. The undeveloped world is beset by an hysterical conviction that the world will come to an end with the arrival of the new century. Into this explosive situation floats a creature calling himself Vornan-19, claiming to be a visitor from 1,000 years in the future. The world is ready for a sign, an omen, but no one realizes exactly what Vornan-19 really is . Nominated for the Nebula Award in 1968. Mass market paperback. This is a used book. Pages are clean and bright with no markings, notes, or highlighting. Covers show shelf wear; rear cover shows minor rubbing . Small tear at base of spine. No owner's marks or bookplates, not ex-library. Price tag on front. Binding is tight and square. Corners not bumped. An excellent reading copy. [Potomac, MD, U.S.A.] [Publication Year: 1973]  

10. The Masks of Time
by Robert Silverberg 
Price: USD 12.50
Dealer: Biblio, biblio-obscura
Description: Ballantine Books paperback, 252 pages, Second Printing: August Date: 1973, spine creased and has a piece of tape at top to repair splits, creases/dents/bent rounded corners, cover and edge wear, previous owners name at top inside of front cover, tight binding, clean text, still a good reading copy. 1973. Ballantine Books ISBN 0345234464 9780345234469 [US] 

11. The Masks of Time
by Robert Silverberg 
Price: USD 13.62
Dealer: Biblio, Ergodebooks
Description: Ballantine, Date: 1968-01-01. U6121. Paperback. Good. 1968. Ballantine ISBN 0345234464 9780345234469 [US] 

12. The Masks of Time
by Silverberg, Robert 
Price: USD 14.89
Dealer: Alibris, Zardoz Books via Alibris
Description: Ballantine Books 1968 Mass-market paperback Vg