Joyce Tenneson will talk about her new book Shells: Nature's Exquisite Creatures (Down East Books, 978-0892729760) on WCSH6's program 207 at 7:30 pm. Watch online at wcsh6.com.

Philip Galanes will be on The Martha Stewart Show for Social Q's: How to Survive the Quirks, Quandries and Quagmires of Today (Simon & Schuster, 978-1451605785).

On Saturday, December 24, as part of Sirius XM's "Twelve Days of Book Radio," David Baldacci, John Grisham, and Jodi Picoult will talk about the life and career of Mark Twain. The conversation airs at 5:00 pm ET on Book Radio channel 80.

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.