Michael Pettis is professor of finance at Peking University's Guanghua School of Management and a senior fellow at the Carnegie Endowment for International Peace. He lives in Beijing.

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Vicki Pettersson is the New York Times and USA TODAY bestselling author of the popular Signs of the Zodiac urban fantasy series and the "para-noir" Celestial Blues series. She lives in Las Vegas and Dallas.

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Bev Pettersen is a three-time nominee for the National Readers Choice Award and a two-time finalist in the Romance Writers of America's Golden Heart Contest, as well as the winner of many other international awards. She lives in Nova Scotia with her family.

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Natalia Mehlman Petrzela is a historian of contemporary American politics and culture and associate professor of history at the New School. She is the author of Classroom Wars and her work has appeared in outlets such as the New York Times, the Washington Post, the Atlantic, and CNN.

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Stefan Petrucha has written over twenty novels and hundreds of graphic novels. He has appeared on the A&E television series Paranormal State, and teaches online classes at the University of Massachusetts. Visit him at petrucha.com.

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Dr. Kellyann Petrucci is a go-to expert in the nutritional field who helps patients build the strongest, healthiest bodies through her family-based workshops and consulting practice. Visit her at drkellyann.com.

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Henry Petroski is the author of twenty nonfiction trade books, including The Pencil and The Evolution of Useful Things, which consider the invention, design, and cultural significance of common objects. He is a distinguished professor emeritus at Duke University.

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Jonathan Petropoulos is the John V. Croul Professor of European History at Claremont McKenna College. He is a Life Member of Clare Hall, University of Cambridge, and a Fellow at the Royal Historical Society.

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Fabio Petroni is a photographer who works with advertising agencies and has created numerous campaigns for prestigious internationally known companies. His books include Cocktails, Tea Sommelier, Beer Sommelier, Why We Love Beer, and Wine Sommelier, as well as many titles on plants and animals.

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Michael J. Petrilli is president of the Thomas B. Fordham Institute, research fellow at Stanford University's Hoover Institution, executive editor of Education Next, and a Distinguished Senior Fellow for the Education Commission of the States.

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Amanda Petrik-Gardner, LCPC, is an obsessive-compulsive disorder (OCD) and body-focused repetitive behavior (BFRB) specialist, licensed in multiple states. She is a member of the International OCD Foundation, TLC Foundation for BFRBs, and the Anxiety and Depression Association of America.

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Randall Petrides is a retired attorney whose masters in theology from Franciscan University of Steubenville inspired his interest in Church history—and his book, How the Saints Shaped History.

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