Robert Macfarlane is the author of bestselling, prizewinning books about nature, place, and people, including Mountains of the Mind, The Old Ways, Landmarks, and (with Jackie Morris) The Lost Words. In 2017 he was awarded the E. M. Forster Prize for Literature by the American Academy of Arts and Letters.

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Jo Macgregor is the author of the dark, gripping mysteries The First Time I Died and Dark Whispers. She started her professional life as a high school English teacher and also writes young adult fiction under the name Joanne Macgregor.

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Rob MacGregor has published twenty novels and twenty-four nonfiction books, and coauthored The Fog with Bruce Gernon. The author of seven Indiana Jones novels, he has been on the New York Times bestseller list and won the Edgar Allan Poe Award for mystery writing for his novel Prophecy Rock.

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Joanne Macgregor is the author of several books for young adults, including The Law of Tall Girls, Hushed, Recoil, Refuse, Rebel, Scarred, and—for younger YA readers—Turtle Walk, Rock Steady, and Fault Lines. When not writing, she is a counseling psychologist in private practice.

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KG MacGregor has authored over two dozen novels, collecting a Lammy and nine Golden Crown Awards. KG is past president of the Board of Trustees of the Lambda Literary Foundation. She makes her home in Nashville, Tennessee, with her partner, Jenny, and two raucous felines, Rozzie and Agnes.

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Kinley MacGregor is the New York Times bestselling pseudonym for #1 internationally bestselling author Sherrilyn Kenyon.

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Carmen Maria Machado is the author of Her Body and Other Parties, which was a finalist for the National Book Award and winner of the National Book Critics Circle's John Leonard Prize. She lives in Philadelphia with her wife.

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Allyson Edelhertz Machate is an editor, writer, publishing consultant, and entrepreneur. She lives in Baltimore, Maryland.

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Carol MacHendrie, LCSW, has facilitated groups and workshops for adults with ADHD for twenty-five years. She has extensive clinical experience working with couples and individuals who have been diagnosed with ADHD.

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Considered one of the great early political analysts, Niccolò Machiavelli is a historical figure in the turning point from the Middle Ages to the Modern World. In his most famous work, The Prince, he promoted the then revolutionary and prophetic idea that theological and moral imperatives have no place in the political arena.

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Gary E. Machlis is University Professor of Environmental Sustainability at Clemson University, and served as science advisor to the director of the National Park Service. He lives in Central, South Carolina.

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Critically acclaimed author Karen MacInerney also teaches writers' workshops. Her book Murder on the Rocks was selected as an Agatha nominee for Best First Novel. When she's not writing or chauffeuring children, she loves to read, drink coffee, attempt unusual recipes, and hit the local hike-and-bike trail.

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