Tomorrow:
Drew Barrymore Show: Geri Halliwell-Horner, author of Rosie Frost: Ice on Fire (Philomel Books, $18.99, 9780593624005).
Tamron Hall: Chrissy Metz, co-author of When I Talk to God, I Talk About Feelings (Flamingo, $18.99, 9780593691366).
Tonight Show: Hannah Berner and Paige DeSorbo, author of How to Giggle: A Guide to Taking Life Less Seriously (Simon Element/S&S, $28.99, 9781668056004).