BUT WILL IT SELL? by Marya Marines. 240 pages. Lippincott. $4.50.
WHAT CAN A MAN DO? by Milton Mayer. 310 pages. Chicago. $5.
Gadflying is an honorable calling, but it has its pitfalls. The truly conscientious gadfly is apt to run out of material at around age 33 and find himself in the embarrassing position of gadding at the same old targets. The less conscientious gadfly may even invent new subjects to gad about.
Marya Mannes, 59, and Milton Mayer, 55, are two of the more durable gadflies of U.S. letterslifelong, card-carrying conscientious objectors. Between...