Terry Gross

Terrorism expert Rohan Gunaratna. His new book is Inside Al Qaeda: Global Network of Terror. Gunaratna spent five years conducting interviews with al Qaeda members, doing field research and monitoring the group's infiltration in communities in North America and Europe. He is the author of six books on armed conflict and a research fellow at the Centre for the Study of Terrorism and Political Violence, University of St. Andrews, Scotland. He's lectured worldwide on terrorism and served as consultant to many governments.

Writer James Gavin has produced Deep in a Dream: The Long Night of Chet Baker. It's a biography of the jazz trumpeter and vocalist. Baker came from Oklahoma in the 1950s to become the "prince of cool jazz" on the West Coast. His death in Amsterdam in 1988 seems to have been drug-related. Gavin provides some answers to the riddle of his death. Gavin is a frequent contributor to The New York Times and other publications.

Boxer Laila Ali. Shes the only one of heavyweight champ Mohammed Alis nine children to choose a life in the ring. Her recent bout with Jacqui Frazier was the most highly publicized female boxing event ever. Shes written an autobiography called REACH! Finding Strength, Spirit and Personal Power.