Schumacher, Carol. Closer and closer : introducing real analysis / Carol Schumacher. - Sudbury, Mass. : Jones and Bartlett Publishers, 2008. - xxii, 438 p. : ill. ; 24 cm. ISBN: 9780763735937 Subjects--Topical Terms: Real analysisMathematical analysis. Dewey Class. No.: 515.8 / SCH