This morning on the Early Show, Sue Fleming shares tips from Fashionably Buff: Essential Workouts for Looking Great in Anything You Wear (Villard, $15.95, 9780812972252/0812972252).

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Tonight 20/20 has a full range of authors:

• John Mueller, author of Overblown: How Politicians and the Terrorism Industry Inflate National Security Threats, and Why We Believe Them (Free Press, $25, 9781416541714/1416541713).
• Dr. Marc Siegel, author of False Alarm: The Truth About the Epidemic of Fear (Wiley, $14.95, 9780470053843/0470053844).
• Barry Glassner, author of The Gospel of Food (Ecco, $25.95, 9780060501211/0060501219).

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Tonight on Real Time with Bill Maher, Ayaan Hirsi Ali talks about her memoir, Infidel (Free Press, $26, 9780743289689/0743289684).

Maher's line-up also includes filmmaker David Mamet, who offers an inside look at Hollywood in Bambi vs. Godzilla: On the Nature, Purpose, and Practice of the Movie Business (Pantheon, $22, 9780375422539/0375422536).