Today, Oprah hosts journalists Laura Ling and her sister Lisa Ling, whose Somewhere Inside: One Sister's Captivity in North Korea and the Other's Fight to Bring Her Home (William Morrow, 978-0062000675, $26.99) pubs tomorrow.

On The Early Show, Amy Wilson wondered When Did I Get Like This? The Screamer, the Worrier, the Dinosaur-Chicken-Nugget-Buyer, and Other Mothers I Swore I'd Never Be (William Morrow, 978-0061956959, $23.99).

Authors on this morning’s Today show:

Avis Cardella, whose Spent: Memoirs of a Shopping Addict (Little, Brown, 978-0316035606, $23.99) pubbed last week.

Beth Ostrosky Stern, author of Oh My Dog: How to Choose, Train, Groom, Nurture, Feed, and Care for Your New Best Friend (Gallery, 978-1439160299, $25.99).

On The Leonard Lopate Show, Thomas Chatterton Williams discussed Losing My Cool: How a Father's Love and 15,000 Books Beat Hip-Hop Culture (Penguin, 978-1594202636, $24.95).

The Bob Edwards Show interviewed journalist and running enthusiast Christopher McDougall, whose book is Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen (Knopf, 978-0307266309, $24.95).

NPR’s Coast to Coast consulted James Van Praagh, whose Unfinished Business: What the Dead Can Teach Us About Life (HarperOne, 978-0061778155, $14.99) is recently out in paperback.

On The Lou Dobbs Show: bestseller Brad Meltzer, with Heroes for My Son (HarperStudio, 978-0061905285, $19.99).

This evening, the season finale episode of ABC-TV’s Castle features bestselling authors Michael Connelly, James Patterson, and Stephen J. Cannell reprising their roles.

Authors on tonight’s Tavis Smiley:

Chuck Palahniuk, whose new novel is Tell-All (Doubleday, 978-0385526357, $24.95; Blackstone Audio unabridged CD, $32.95), which PW called a “rude sendup of name-dropping and the culture of celebrity worship. Unfortunately, this gossipy fantasia is a one-joke premise that, even at its modest length, wears out its welcome well before Miss Kathie's final fade-out.”

Actor-comedian Damon Wayans, with his debut novel Red Hats (Atria, 978-1439164617, $19.99).

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

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Authors on the Air is compiled by Diane Patrick. To be included in this compilation, email author appearance information to DPatrickPW@aol.com (at least TWO days in advance, please).