"His already fine book becomes more usable by having the four subject-targeted appendices." --Richard Delaware, UMKC

"The book covers all the basic proof techniques in a very readable, concise way without overwhelming the student. The organization is great. I like the short chapters highlighting only one concept at a time." --Josephine Hamer, Western Connecticut State University

"Very clear, rigorous, extremely thorough, almost unique in what it tries to do, reaches out to weaker students." --Michael Thaddeus, Columbia University