Cash only. (Almost) no marks in these books.
1 Topics in Algebra
I. N. Herstein
http://www.amazon.com/Topics-Algebra-2nd-Herstein-I-N/dp/B0072Q4XAI/
$15
2 Introduction to Riemann Surfaces (AMS Chelsea Publishing) [Hardcover]
George Springer
http://www.amazon.com/Introduction-Riemann-Surfaces-Chelsea-
Publishing/dp/0821831569/
$30
3 The Theory of Groups (AMS Chelsea Publishing) [Hardcover]
Jr. Marshall Hall
http://www.amazon.com/Theory-Groups-AMS-Chelsea-Publishing/dp/0821819674/
$45
4 Introduction to Modern Algebra
Neal H. McCoy
http://www.amazon.com/Introduction-Modern-Algebra-Neal-McCoy/dp/0205102670
$5
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