51. Extinction: The Causes and Consequences of the Disappearance of Species
by Paul R. Ehrlich 
Price: USD 21.52
Dealer: AbebooksUK, WorldofBooks
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House USA Inc, United States, New York] Softcover The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. [Goring-By-Sea, WS, United Kingdom] [Publication Year: 1981]  

52. Extinction Ehrlich, Paul R.
by Ehrlich, Paul R. 
Price: USD 24.99
Dealer: Abebooks, DeckleEdge LLC
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover [Albuquerque, NM, U.S.A.] [Publication Year: 1981]  

53. Extinction
by Ehrlich, Paul R. 
Price: USD 31.82
Dealer: Abebooks, Hafa Adai Books
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover [Moncks Corner, SC, U.S.A.] [Publication Year: 1981]  

54. Extinction
by Ehrlich, Paul R. 
Price: USD 50.83
Dealer: Abebooks, Front Cover Books
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House:] Hardcover [Denver, CO, U.S.A.] [Publication Year: 1981]  

55. Extinction
by Ehrlich, Paul R. 
Price: USD 50.86
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover New Copy. Customer Service Guaranteed [Austin, TX, U.S.A.] [Publication Year: 1981]  

56. Extinction
by Ehrlich, Paul R. 
Price: USD 51.67
Dealer: Abebooks, GoldenWavesOfBooks
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover New. Fast Shipping and good customer service [Fayetteville, TX, U.S.A.] [Publication Year: 1981]  

57. Extinction
by Ehrlich, Paul R. 
Price: USD 55.10
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover New [Long Beach, CA, U.S.A.] [Publication Year: 1981]  

58. EXTINCTION
by Paul R. Ehrlich 
Price: USD 60.26
Dealer: Biblio, Rare Book Cellar
Description: New York: Random House. Date: 1981. First Edition; First Printing. Hardcover. 0394513126 . Near Fine In a Very Good dust jacket. Scuffs to jacket edges. ; 9.3 X 6.2 X 1.2 inches; 305 pages . 1981. Random House ISBN 0394513126 9780394513126 [US] 

59. Extinction
by Ehrlich, Paul R. 
Price: USD 61.16
Dealer: Alibris, GridFreed via Alibris
Description: Random House 1981-04-12 Hardcover New Size: 9x6x1; New. In shrink wrap. Looks like an interesting title! 

60. EXTINCTION
by Ehrlich, Paul R. 
Price: USD 61.16
Dealer: Abebooks, BennettBooksLtd
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover New. In shrink wrap. Looks like an interesting title! 1.5 [LOS ANGELES, CA, U.S.A.] [Publication Year: 1981]  

61. Extinction
by Ehrlich, Paul R. 
Price: USD 64.00
Dealer: Abebooks, The Book Spot
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House] Hardcover [Sioux Falls, SD, U.S.A.] [Publication Year: 1981]  

62. Extinction
by Ehrlich Paul R 
Price: USD 64.22
Dealer: Biblio, GridFreed LLC
Description: Random House, Date: 1981-04-12. Hardcover. New. New. In shrink wrap. Looks like an interesting title! 1981. Random House ISBN 0394513126 9780394513126 [US] 

63. Extinction
by Paul R. Ehrlich 
Price: USD 66.29
Dealer: Alibris, RARE BOOK CELLAR via Alibris
Description: New York Random House 1981 First Edition; First Printing Hardcover Near Fine In a Very Good dust jacket. Scuffs to jacket edges.; 9.3 X 6.2 X 1.2 inches; 305 pages. 

64. EXTINCTION
by Paul R. Ehrlich 
Price: USD 66.29
Dealer: Abebooks, Rare Book Cellar
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House, New York] Hardcover First Edition Near Fine In a Very Good dust jacket. Scuffs to jacket edges. ; 9.3 X 6.2 X 1.2 inches; 305 pages. [Pomona, NY, U.S.A.] [Publication Year: 1981]  

65. Extinction: The Causes and Consequences of the Disappearance of Species
by Ehrlich, Paul R.; Ehrlich, Anne H. 
Price: USD 68.00
Dealer: Abebooks, Sellsbooks
Description: ISBN10: 0394513126, ISBN13: 9780394513126, [publisher: Random House USA Inc, New York] Hardcover First Edition Second Printing. Flat-signed by both authors on Title page with NO inscriptions. Orange and black quarter-cloth boards with Orange foil-stamped spine. NF cond. Only flaw is a small minor dampstain to bottom front board NOT affecting any pages or the DJ. NO markings throughout - NO remainder mark or ex-lib. DJ is good with two tears. Price intact: $15.95. [Indio, CA, U.S.A.] [Publication Year: 1981]