Zach Wahls, author of My Two Moms: Lessons of Love, Strength, and What Makes a Family (Gotham, 978-1592407132), will be on The Daily Show.

Diane Keaton, author of Then Again (Random House, 978-0812980950), will be on The Colbert Report.

Robert A. Caro was on NPR's Morning Edition for The Passage of Power: The Years of Lyndon Johnson (Knopf, 978-0679405078).

Due to the nature of live programming, scheduling is subject to change.

Booksellers can order these titles through Ingram at ipage.

To be included in the Authors on the Air compilation, email information--at least TWO days in advance, please--to ghabash@publishersweekly.com.