1. The Theory of Numbers: An Introduction (Markham Mathematics Series)
by Gioia, Anthony A. 
Price: USD 7.95
Dealer: Abebooks, A Squared Books (Don Dewhirst)
Description: ISBN10: 0486414493, ISBN13: 9780486414492, [publisher: Dover Publications] Softcover Mineola, 2001; glossy paper covers; mild shelf wear; 8vo - over 7 3/4" to 9 3/4" tall; previous owner's name on free front end paper; interior clean and unmarked; 207 pages. [South Lyon, MI, U.S.A.] [Publication Year: 2001]  

2. The Theory of Numbers: An Introduction (Markham Mathematics Series)
by Gioia, Anthony A. 
Price: USD 9.94
Dealer: Abebooks, Best and Fastest Books
Description: ISBN10: 0486414493, ISBN13: 9780486414492, [publisher: Dover Publications] Softcover Very well kept copy, unmarked pages, tight binding, minimal wear. Fast Shipping - Safe and Secure Bubble Mailer! [Wantage, NJ, U.S.A.] [Publication Year: 2001]  

3. The Theory of Numbers: An Introduction (Markham Mathematics Series)
by Gioia, Anthony A. 
Price: USD 8.80
Dealer: Abebooks, SecondSale
Description: ISBN10: 0486414493, ISBN13: 9780486414492, [publisher: Dover Publications] Softcover Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc. [Montgomery, IL, U.S.A.] [Publication Year: 2001]  

4. The Theory of Numbers: an Introduction (Markham Mathematics Series)
by Gioia, Anthony A. 
Price: USD 9.94
Dealer: Alibris, Best and Fastest Books via Alibris
Description: Dover Publications 2001 Trade paperback Very good Very well kept copy, unmarked pages, tight binding, minimal wear. Fast Shipping-Safe and Secure Bubble Mailer! 

5. The Theory of Numbers: an Introduction (Markham Mathematics Series)
by Gioia, Anthony A. 
Price: USD 36.02
Dealer: Alibris, Bonita via Alibris
Description: Dover Publications 2001 paperback Good Access codes and supplements are not guaranteed with used items. May be an ex-library book. 

6. The Theory of Numbers: An Introduction
by Gioia Anthony A. 
Price: USD 8.84
Dealer: Biblio, ThriftBooks
Description: Dover Publications, Date: 2001. Paperback. Very Good. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 2001. Dover Publications ISBN 0486414493 9780486414492 [US] 

7. The Theory of Numbers: An Introduction Markham Mathematics Series
by Anthony A. Gioia 
Price: USD 11.49
Dealer: Biblio, Ergodebooks
Description: Dover Publications, Date: 2001-03-28. Paperback. Good. 2001. Dover Publications ISBN 0486414493 9780486414492 [US] 

8. The Theory of Numbers: An Introduction Markham Mathematics Series
by Gioia Anthony A 
Price: USD 7.95
Dealer: Biblio, A Squared Books
Description: Dover Publications, Date: 2001-03-28. Paperback. Very Good. 84x8x132. Mineola, 2001; glossy paper covers; mild shelf wear; 8vo - over 7 3/4" to 9 3/4" tall; previous owner's name on free front end paper; interior clean and unmarked; 207 pages. 2001. Dover Publications ISBN 0486414493 9780486414492 [US] 

9. The Theory of Numbers: An Introduction
by Gioia, Anthony A. 
Price: USD 8.84
Dealer: Abebooks, ThriftBooks-Atlanta
Description: ISBN10: 0486414493, ISBN13: 9780486414492, [publisher: Dover Publications] Softcover Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less 0.55 [AUSTELL, GA, U.S.A.] [Publication Year: 2001]