JOSHUA CLARK has served as a correspondent for NPR, and was an editor for SCAT Magazine. He also created and co-authored the international bestseller fitness books You Are Your Own Gym and Body By ...ver maisJOSHUA CLARK has served as a correspondent for NPR, and was an editor for SCAT Magazine. He also created and co-authored the international bestseller fitness books You Are Your Own Gym and Body By You.ver menos