This book is not written for a hardcore mathematician, but for a person familiar with mathematics.  Its a fun read going over some of the history of algebra and leading into some of the major theorems of modern algebra in simple terms.  I highly recommend this book.  Useful especially for person interested in groups and the nature of groups.<br><br>For something more complex, I would try&nbsp;
  
Abstract Algebra, 3rd Edition







  
  
    &nbsp;Or the rotman book.&nbsp;
  
A First Course in Abstract Algebra (3rd Edition)