This morning, Leonard Lopate sat down with former Time and Newsweek correspondent Malcolm MacPherson, whose new novel is Hocus Potus (Melville House, $24.95). From PW’s review: “This rollicking political farce is set between the fall of Baghdad and the capture of Saddam. MacPherson effectively portrays the Green Zone as a zoo of ambition, backbiting and incompetence.”

Elizabeth Edwards, wife of presidential candidate John Edwards and author of Saving Graces: Finding Solace and Strength from Friends and Strangers (Broadway, $14.95; abridged Random House CD, $27.95) visted the Today Show. PW's review said, "Edwards's memoir is not about cancer, politics or even unbearable loss (though the description of her grief is heart-wrenching). It's about the value of people coming together to support each other. You'll find no celebrity gossip here. But like the kiss on the forehead her husband gave her at the end of their first date, this memoir is disarmingly moving."

The Bob Edwards Show hosted Helen Thomas, who has been covering Washington for more than 60 years and whose Watchdogs of Democracy? The Waning Washington Press Corps and How It Has Failed the Public (Scribner, $14) is now out in paperback. PW wrote “She characterizes the nine presidents (beginning with Kennedy) she has covered, each of whom tried to spin the news his own way. But Thomas sees a bright side: she applauds trenchant political cartoonists and believes that the active public interest expressed in Internet blogs may help create transparency.”

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Authors on the Air is compiled by Diane Patrick. To be included in the compilation, email DPatrickPW@aol.com