MARTIN J. ERICKSON, PhD, is Professor in the Department of Mathematics at Truman State University. The author of numerous books, including Mathematics for the Liberal Arts (Wiley), he is a member of the American Mathematical Society, Mathematical Association of America, and American Association of University Professors.
<p> Indeed, Erickson s Introduction to Combinatoricsis appealing on precisely the count that it is very user-friendly. (MAA Reviews, 5 January 2014)