Movies opening today:

Robin Hood, directed by Ridley Scott, starring Russell Crowe, Cate Blanchett, William Hurt, and Max von Sydow, and based on the Robin Hood legend. The tie-in novelization by David B. Coe is Robin Hood (Tor, 978-0765366276, $7.99; Blackstone unabridged CD, $19.95).

Letters to Juliet, directed by Gary Winick, starring Amanda Seyfried, Gael García Bernal, and Vanessa Redgrave, and based on Letters to Juliet: Celebrating Shakespeare's Greatest Heroine, the Magical City of Verona, and the Power of Love by Lise Friedman and Ceil Friedman (Stewart, Tabori & Chang mti, 978-1584799122, $14.95).

This morning on Today: Rabbi Shmuley Boteach, whose forthcoming book is Renewal: A Guide to the Values-Filled Life (Basic Books, 978-0465020454, $22).

The View consulted sports-medicine specialist Dr. Vijay Vad, whose latest is Stop Pain: Inflammation Relief for an Active Life (Hay House, 978-1401925253, $24.95).

On NPR’s Talk of the Nation: Science Friday: psychology professor Randy Frost, co-author of Stuff: Compulsive Hoarding and the Meaning of Things (Houghton Mifflin Harcourt, 978-0151014231, $27). PW considered it an “eye-opening study of the causes of hoarding, its meaning for the hoarder, and its impact on their families. This succinct, illuminating book will prove helpful to hoarders, their families, and mental health professionals who work with them.”

On The Leonard Lopate Show, Heidi Durrow discussed her debut novel The Girl Who Fell from the Sky (Algonquin, 978-1565126800, $22.95; HighBridge unabridged CD, $29.95). PW wrote “Taut prose, a controversial conclusion and the thoughtful reflection on racism and racial identity resonate without treading into political or even overtly specific agenda waters, as the story succeeds as both a modern coming-of-age and relevant social commentary.”

Jimmy Kimmel Live meets with Michelle Obama's brother Craig Robinson, whose memoir is A Game of Character: A Family Journey from Chicago's Southside to the Ivy League and Beyond (Gotham, 978-1592405480, $26).

Tavis Smiley talks with science journalist Rebecca Skloot, author of The Immortal Life of Henrietta Lacks (Crown, 978-1400052172, $26; RH Audio unabridged CD, $35). From PW’s starred review: “Letting people and events speak for themselves, Skloot tells a rich, resonant tale of modern science, the wonders it can perform and how easily it can exploit society's most vulnerable people.”

On The Late Late Show with Craig Ferguson, Isabel Allende talks about her latest novel, Island Beneath the Sea (Harper, 978-0061988240, $26.99). In a PW Signature Review, Marlon James wrote “Slavery as a subject in fiction is still a high-wire act, but one expects more from Allende.”

Tomorrow on Book TV, historian Tony Williams discusses The Pox and the Covenant: Mather, Franklin, and the Epidemic That Changed America's Destiny (Sourcebooks, 978-140223605, $24.99). PW’s review had this to say: “Williams explores a fascinating aside to American medical history—how a Puritan minister and one lone doctor stood up to the medical establishment by carrying out the first-ever American inoculation program during Boston's 1721 smallpox epidemic.”

Due to the nature of live programming, scheduling is subject to change.

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Authors on the Air is compiled by Diane Patrick. To be included in this compilation, email author appearance information to DPatrickPW@aol.com (at least TWO days in advance, please).