The question that leaps to mind on reading Rose Hacker's book is?at what rea" ship is she aiming? If it is young "intelligent" parents, one cannot help feeling 1, they will have read a very great deal of what Mrs. Hacker has to say already in or other of Dr. Spock's three excellent books. There can be little doubt that she coV' much the same ground as he does, and he is very widely read indeed ...