This photo from Discovery Channel shows a great hammerhead, one of the largest sharks in the world, during an episode of Shark Week. Discovery Channel/ AP hide caption

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Director, writer and producer Judd Apatow has both a new memoir and a new movie right now. Trainwreck, which he directed, is in theaters starting July 17 and Sick in the Head was published in June. Kevin Winter/Getty Images hide caption

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Courtesy of Doubleday

Kohlrabi, peeled and sliced, is refreshing, but lightly poached is good too, says chef April Bloomfield. iStockphoto.com hide caption

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Dan Gray is a restaurateur and food blogger in Seoul, South Korea. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR
Courtesy of Bloomsbury USA
Courtesy of Ecco, an imprint of HarperCollins
Lydia Thompson/NPR