Messer, Robert. Topology now! by Robert Messer and Philip Straffin. - [Washington, DC] Mathematical Association of America c2006. - ix, 240 p. ill. 26 cm. - Classroom resource materials . Includes bibliographical references and index. ISBN: 0883857448 9780883857441 LCCN: 2005937270 Subjects--Topical Terms: TopologyTopology--Problems, exercises, etc. LC Class. No.: QA611 / .M47 2006 Dewey Class. No.: 514 / M584t