Today, Good Morning America fetched veterinary clinical nutritionist Joan Weiskopf, author of Pet Food Nation: The Smart, Easy, and Healthy Way to Feed Your Pet Now (Collins, $15.95).

On NPR's Morning Edition, sportswriter Frank Deford talked about The Entitled (Sourcebooks; $24.95), which, said PW’s review, is “another hit with this novel of athletes behaving badly. Deford tackles timely and provocative issues without flinching.”

Hip-hop mogul Russell Simmons visited The Brian Lehrer Show with Do You! 12 Laws to Access the Power in You to Achieve Happiness and Success (Gotham, $25; Penguin Audio abridged CD, $29.95).

Diane Rehm hosted Marc Freedman, whose book is Encore: Finding Work that Matters in the Second Half of Life (PublicAffairs, $24.95).

On The Book Report, Susan Vreeland served up Luncheon of the Boating Party (Viking, $25.95; Penguin Audio unabridged CD, $39.95), which PW deemed a “vivid fourth novel. Vreeland achieves a detailed and surprising group portrait, individualized and immediate.”

The Dennis Prager Show met with psychologist and neuroscientist Drew Westen, who examined The Political Brain (Public Affairs, $26.95). Tomorrow, he’ll be on The Diane Rehm Show.

This evening on The Tonight Show, SuperBowl Coach Tony Dungy continues promoting Quiet Strength: The Principles, Practices, & Priorities of a Winning Life (Tyndale, $26.99; Tyndale Audio abridged CD, $26.99). Tomorrow he’ll be on Good Morning America, On the Record with Greta Van Susteren and The Alan Colmes Radio Show.

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, see TitleSmart.

For more information on these titles, click here.

"Authors on the Air" is compiled by Diane Patrick. To be included, e-mail DPatrickPW@aol.com.