Fresh Air: Alexis Okeowo, author of A Moonless, Starless Sky: Ordinary Women and Men Fighting Extremism in Africa (Hachette Books, $26, 9780316382939).
Fox & Friends: Mehmet Oz, author of Food Can Fix It: The Superfood Switch to Fight Fat, Defy Aging, and Eat Your Way Healthy (Scribner, $29.99, 9781501158155).
Rachael Ray: Oprah Winfrey, author of The Wisdom of Sundays: Life-Changing Insights from Super Soul Conversations (Flatiron, $27.99, 9781250138064).
Comedy Central's the Opposition with Jordan Klepper: Bruce Bartlett, author of The Truth Matters: A Citizen's Guide to Separating Facts from Lies and Stopping Fake News in Its Tracks (Ten Speed Press, $8.99, 9780399581168).
Late Show with Stephen Colbert: Scott Kelly, author of Endurance: A Year in Space, A Lifetime of Discovery (Knopf, $29.95, 9781524731595).