Actor Chris Tucker ("Air"); "GMA" Book Club April reveal; mobility experts and authors Dr. Kelly Starrett and Juliet Starrett ("Built to Move"); physician and author Dr. Ian Smith ("The Met Flex Diet").

Actor Marlon Wayans ("Air"); author Laura Gassner Otting ("Wonderhell"); hosts of ABC Audio podcast "The Bookcase," Kate Gibson and Charlie Gibson; Deals and Steals with ABC e-commerce editor Tory Johnson.