Today:
Today: Peggy Grande, author of The President Will See You Now: My Stories and Lessons from Ronald Reagan's Final Years (Hachette, $28, 9780316396455).
Fresh Air: Mary Graham, author of Presidents' Secrets: The Use and Abuse of Hidden Power (Yale University Press, $30, 9780300223743).
Harry: Tim Tebow, co-author of Shaken: Discovering Your True Identity in the Midst of Life's Storms (WaterBrook, $25, 9780735289864).
Late Late Show with James Corden: Trevor Noah, author of Born a Crime: Stories from a South African Childhood (Spiegel & Grau, $28, 9780399588174).
Tomorrow:
Tavis Smiley: Ralph Nader, author of Breaking Through Power: It's Easier Than We Think (City Lights Publishers, $13.95, 9780872867055).
