Now and then it is reassuring to discover that some of the best things in life can be had for almost nothing—in this case a splendid book on human heredity for the paltry sum of one dollar and a half (the extra nickel goes to the boys for bubble gum). It has additionally an aesthetically and genetically satisfying cover—sky blue, and covered with 46 (count them) chromosomes in black, white, rust, and one (the Y) in bright red. No satellites are shown; this, however, may be excesed as artistic license by the chap who designed the cover, and it is really my task to analyze not the cover but what is beneath it.
This is a popular book for intelligent persons who have had at least a good high-school education, but a college education helps. At least one half of the book is devoted to normal, quantitatively inherited variables such