“A Basic Course in Algebraic Topology (v. 127)” by W.S. Massey is a comprehensive textbook introduced to the subject of mathematics, specifically focusing on topology and geometry. Published by Springer New York in 1991 as part of the Graduate Texts in Mathematics Series, this book covers essential topics in algebraic topology in a theoretically sound and pedagogically effective manner. With 431 pages, this hardcover book is a valuable resource for students and professionals in the field seeking a solid understanding of algebraic topology.