Terry Gross

Senior editor at The Atlantic Monthly, Barbara Wallraff, and author of the magazine’s “Word Count” column. Her new book about language usage is “”Word Count: Wherein verbal virtue is rewarded, crimes against the language are punished, and poetic justice is done” (Harcourt).

Medical journalist Stephen Klaidman is Senior Research Fellow at the Kennedy Institute of Ethics. His new book “Saving the Heart: The Battle to Conquer Coronary Disease” (Oxford) takes a look at the treatments developed -- like angiography and balloon angioplasty -- to help patients recover from the damages of heart disease. He also charts the way the field of cardiology has become a multi-billion dollar business, and the conflict that arises between medical ambition and financial incentive and the best treatment options for patients.

Photojournalist James Nachtwey. Ten years of his photographs taken around the world In areas of war, famine, and conflict are collected In the new book, "Inferno." (Phaidon Press). Nachtwey has been awarded the Robert Capa Gold Medal four times. The award is the highest honor among photographers and is given to those for the "best photographic reporting or interpretation from abroad requiring exceptional courage and enterprise," and it entails a deliberate decision to go in harm's way.