Yesterday, on Sunday’s Diane Rehm Show: Tony Blankley, author of The West's Last Chance: Will We Win the Clash of Civilizations? (Regnery, $16.95; Blackstone Audiobooks unabridged CD, $29.95).

Today, Oprah chats with Dina Matos McGreevey, ex-wife of former New Jersey governor Jim McGreevey and author of Silent Partner: A Memoir of My Marriage (Hyperion, $23.95).

Ellen DeGeneres sat with comedian Steve Harvey, whose most recent book is Steve Harvey Presents the Adventures of Roopster Roux: That's Not Punny (Pelican Publishing Company, $16.95), a tale for reluctant readers.

Authors on Book TV this morning:

History professor Steve Estes shared Ask & Tell: Gay & Lesbian Veterans Speak Out (Univ. of North Carolina Press, $29.95).

Rowan Scarborough discussed Sabotage: America's Enemies Within the CIA (Regnery, $27.95; Blackstone Audiobooks unabridged CD, $29.95).

Former Washington Post and Time magazine investigative reporter Ted Gup visited Nation of Secrets: The Threat to Democracy and the American Way of Life (Doubleday, $24.95). PW found it a “probing exposé… a cogent critique of a tight-lipped America that is increasingly paranoid, dysfunctional and absurd.”

Tonight, The O'Reilly Factor interviews former Navy SEAL Marcus Luttrell, whose book is Lone Survivor: The Eyewitness Account of Operation Redwing and the Lost Heroes of SEAL Team10 (Little, Brown, $24.99; Hachette Audio abridged CD, $29.98).

The Tonight Show with Jay Leno will re-air its interview with SuperBowl coach Tony Dungy on his bestselling memoir Quiet Strength: The Principles, Practices, & Priorities of a Winning Life (Tyndale, $26.99; Tyndale Audio abridged CD, $26.99).

Due to the nature of live programming, scheduling is subject to change. For more detailed information about author appearances on these shows and others as well as listings of book mentions and book reviews, visit TitleSmart.

Booksellers can order these titles through Ingram at ipage.

Authors on the Air is compiled by Diane Patrick. To be included in the compilation, email DPatrickPW@aol.com.