books.google.com - Looking closely at algebra, its historical development, and its many useful applications, Algebra examines in detail the question of why this type of math is so important that it arose in different cultures at different times. The book also discusses the relationship between algebra and geometry, shows...http://books.google.com/books/about/Algebra.html?id=h-zRieb7VbwC&utm_source=gb-gplus-shareAlgebra