The new issue of North American Trainer is online, with features on A.P. Indy -- who has six male-line descendants currently set to run in the Kentucky Derby -- and his grandson Tapit (sire of Derby hopefuls Creator, Lani, and Mohaymen); Hall of Famer Serena's Song; a historic retrospective on lady jockeys; different paths to U.S. classic success; and, of course, the Sid Fernando column, among other articles. Click here to access the magazine.