Humor at its best is a somewhat fluid and transitory element, but most books about it are illustrated with hardened old jokes from the comic papers, or classic witticisms jerked out of their context. Max Eastman, in this work, avoids this catastrophe by quoting mainly from contemporary American humor. This is not an anthology in that selections have been made with a view to making a point rather than covering the field. The purpose of Eastman's fabled work is to make the reader laugh. Since his early school days, it has seemed to him that textbooks are wrongly written in that they are...