This classic, written by two young instructors who became giants in their field, has shaped the understanding of modern algebra for generations of mathematicians and remains a valuable reference and text for self study and college courses.
Perhaps the best classic introduction to abstract algebra at undergraduate level ,introducing :numbers ,groups ,polinomials ,linear structures ,commutative rings ,transfinite aritmetic ,algebraic and transcendental extensios of fields and galois theory.
Both Birhoff and Mclane were important mathematicians,Mclane for example was one of the builders of the homological algebra and the categories theory
This classic book is to be treasured ! I believe B & L wrote this book with the objective to welcome newcomers into the wonderful world of Abstract Algebra !