Algebraic topology :

Greenberg, Marvin J.

Algebraic topology : a first course / Marvin J. Greenberg, John R. Harper. - [S.l.] : Westview Press, 1981. - 320 p. ; 23 cm. - Mathematics lecture note series. . - Mathematics lecture note series. .

Great first book on algebraic topology. Introduces (co)homology through singular theory.

0805335579 (paperback) $61.00 9780805335576 (paperback)