SAILOR ON HORSEBACKIrving StoneHoughton Mifflin ($3).
Theodore Roosevelt characterized his age when he preached the virtues of the strenuous life. To later students, that period looks more like a hyperthyroid era of American historyan era marked by strident praise of action for the sake of action, when Richard Harding Davis was reporting breathless adventures in South America, Roosevelt I was hunting in Africa, and an inclusive, optimistic belief in the value of a he-man-diet of sleeping under the stars, and spending hours in the saddle suffused popular literature.
Laureate of the hyperthyroid era was...