Terry Gross

Retired U.S. Navy flight surgeon and NASA astronaut Capt. Jerry Linenger ("Linn-en-jer") In his new book, Off the Planet: Surviving Five Perilous Months Aboard the Space Station Mir" (McGraw-Hill) he chronicles his five months on board the Russian Space station "Mir" a ramshackle place he described as "six school buses all hooked together." During his five months there, they had numerous brushes with death, lacking adequate supplies, and battling constant system failures.

Michael Eric Dyson Is the author of the new book "I May Not Get There With You: The True Martin Luther King, Jr." (The Free Press). In It, Dyson argues that Martin Luther King Jr, the human being, with flaws and gifts serves us better than the romanticized and Idealized King. Dyson is also the author of "Making Malcolm: The Myth and Meaning of Malcolm X," and other books. Dyson Is an ordained Baptist minister and a Professor at DePaul University.

Karl Evanzz is an on-line editor at the Washington Post, and author of "The Messenger: The Rise and Fall of Elijah Muhammad" (Pantheon Books) the founder and "Prophet" of the Nation of Islam. Evanzz talked to Muhammad's children, his apostles, and had access to previously unreleased FBI files about him.