“...[it] should be highly appealing to any instructor offering a course in helping and altruism ...[to] scholars...for their own libraries, and...to practitioners.” —Mark Snyder, Ph.D. University of Minnesota“The writing style is clear and interesting...I recommend [the book]...with enthusiasm.” —William G. Graziano, Ph.D. Purdue University“...A must-have on the bookshelves of students and researchers interested in understanding the complexities of helping behavior...The writing is engaging ...” —Allen Omoto, Ph.D. Claremont Graduate University