NPR's Science Friday will have three authors on its program today: Piotr Naskrecki for his book Relics: Travels in Nature's Time Machine (University of Chicago Press, 978-0226568706), Edward O. Wilson for his book The Social Conquest of Earth (Liveright, 978-0871404138), and Henry Petroski for his book To Forgive Design: Understanding Failure (Belknap Press of Harvard University Press, 978-0674065840).

Marcey Shapiro M.D. will appear on "West Coast Live" this Saturday, April 14th, to promote her recent book Transforming the Nature of Health: A Holistic Vision of Healing That Honors Our Connection to the Earth, Others, and Ourselves ( , )

Stephen W. Hines, author of Titanic: One Newspaper, Seven Days and the Truth That Shocked the World ( , ), will be a guest on CNN’s Weekend Early Start on Sunday April 15 to discuss the 100th anniversary of the sinking of the Titanic.

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.