On The Today Show this morning, Norah O’Donnell and chef Geoff Tracy give tips on feeding wee ones, which is the subject of their new book, Baby Love: Healthy, Easy, Delicious Meals for Your Baby and Toddler (St. Martin’s Griffin, ISBN 978-0312621926). The authors also appear on today’s Joan Hamburg Show, and O’Donnell takes a solo turn on the Joy Behar Show.

Patrick Hennessey, Jr., shows up on the Leonard Lopate Show to discuss coming of age as a young enlistee and staving off the tedium and pressures of army life in the Iraqi desert by creating a book club. Hennessey’s book is The Junior Officers’ Reading Club: Killing Time and Fighting Wars (ISBN 978-1594484797), and Riverhead releases it in paperback today.

Project Runway star Tim Gunn dishes with Jon Stewart on tonight’s Daily Show with Jon Stewart. Gunn’s new book, Gunn's Golden Rules: Life's Little Lessons for Making It Work (ISBN 978-1439176566), out today from Gallery, shares juicy stories about fashion’s divas, behind-the-scenes glimpses of Runway’s biggest drama queens, and insights into Gunn’s private life. Gunn also appears on today’s Live with Regis and Kelly.

On Point with Tim Ashbrook chats with cyberpunk godfather William Gibson, whose latest, Zero History, pubs today (Putnam, 978-0399156823).

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 this Authors on the Air compilation, email information to landriani@publishersweekly.com.