Tomorrow:
Good Morning America: John Cena, author of Elbow Grease: Fast Friends (Random House, $18.99, 9780593179345).
Today Show: Yaa Gyasi, author of Transcendent Kingdom (Knopf, $27.95, 9780525658184).
Tonight Show: Chris Colfer, author of A Tale of Witchcraft... (Little, Brown, $18.99, 9780316523561).
Late Show with Stephen Colbert: John Lithgow, author of Trumpty Dumpty Wanted a Crown: Verses for a Despotic Age (Chronicle, $22.95, 9781797209463).
Late Night with Seth Meyers: Brian Stelter, author of Hoax: Donald Trump, Fox News, and the Dangerous Distortion of Truth (Atria/One Signal, $28, 9781982142445).