This morning on Good Morning America: Terri Irwin, author of Steve and Me: Life with the Crocodile Hunter (Simon Spotlight, $25.95, 9781416953883/1416953884). She will also appear tonight on Larry King Live.

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Today on Regis and Kelly: Nigella Lawson, author of Nigella Express: 130 Recipes for Good Food, Fast (Hyperion, $35, 9781401322434/1401322433).

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Today on the Rachael Ray Show: Julianne Moore, whose first picture book is Freckleface Strawberry (Bloomsbury USA, $16.95, 9781599901077/1599901072).

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Today on the Diane Rehm Show: Thomas DeFrank, Washington bureau chief for the New York Daily News and author of Write It When I'm Gone (Putnam, $25.95, 9780399154508/0399154507).

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Today on Oprah: Mehmet Oz, M.D., co-author of You: The Owner's Manual: An Insider's Guide to the Body that Will Make You Healthier and Younger (Collins, $24.95, 9780060765316/0060765313)

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Today on NPR's Talk of the Nation: Joseph Ellis discusses his new book, American Creation: Triumphs and Tragedies at the Founding of the Republic (Knopf, $26.95, 9780307263698/030726369X).

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Tonight on the Charlie Rose Show: entrepreneur Tom Perkins, author of Valley Boy: The Education of Tom Perkins (Gotham, $27.50, 9781592403134/1592403131).

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Tonight on the Colbert Report: David Levy, author of Love and Sex with Robots: The Evolution of Human-Robot Relationships (HarperCollins, $24.95, 9780061359750/0061359750).