Mikolaj Grynberg is a photographer, author, and trained psychologist. I'd Like to Say Sorry, but There's No One to Say Sorry To, his first work of fiction, was a finalist for the Nike, Poland's top literary prize. He lives in Poland.

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Guo Gu (Dr. Jimmy Yu) was the guiding teacher for the Western Dharma Teachers Training course in the Dharma Drum Lineage and is the founder and guiding Chan teacher of the Tallahassee Chan Center. He is also a professor of Buddhism and East Asian religions at Florida State University, Tallahassee.

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Rick Gualtieri loves adventure, snarky dialogue, and mayhem. So it's only natural that his bestselling Tome of Bill series kicks the mired status quo of vampire fiction straight in the teeth with its mix of supernatural chaos and geeky humor. It's time to make fantasy fun again.

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R. Gualtieri loves adventure, snarky dialogue, and mayhem. So it's only natural that his bestselling Tome of Bill series kicks the mired status quo of vampire fiction straight in the teeth with its mix of supernatural chaos and geeky humor. It's time to make fantasy fun again. Learn more at rickgualtieri.com.

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Mike Guardia is an internationally recognized author and military historian. A veteran of the U.S. Army, he served six years on active duty as an armor officer. He has twice been nominated for the Army Historical Foundation's Distinguished Book Award and is an active member in the Military Writers Society of America.

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Colin Guare is a registered behavior technician and writer who works with children and adolescents on the autism spectrum. With Peg Dawson and Richard Guare, he is coauthor of Smart but Scattered Teens and Smart but Scattered—and Stalled.

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Richard Guare, PhD, is the director of the Center for Learning and Attention Disorders. His research and publications focus on the understanding and treatment of learning and attention difficulties.

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William "Wild Bill" Guarnere, a U.S. paratrooper during World War II, was portrayed in the HBO miniseries Band of Brothers, produced by Steven Spielberg and Tom Hanks.

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Ross Guberman is president of Legal Writing Pro, an advanced legal-writing training and consulting firm. He has worked with thousands of attorneys at more than 100 of the world's largest and most prestigious law firms and for dozens of state and federal agencies and bar associations.

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Mark Gudgel is an adjunct instructor in education at Nebraska Wesleyan University, a seventeen-year veteran of public-school education, Fulbright Scholar, and fellow of the United States Holocaust Memorial Museum.

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When M. B. Guel isn't writing, they work as a producer of the theatrical trailers everyone talks through when they go to the movies. They also spend their spare time skating in roller derby, pretending they're a cowboy, and playing with swords. They live in Los Angeles with their partner and herd of fur children.

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Allen C. Guelzo is the Henry R. Luce Professor of the Civil War Era and Director of Civil War Era Studies at Gettysburg College. Three-time winner of the Lincoln Prize, he is the author of Abraham Lincoln: Redeemer President, Lincoln's Emancipation Proclamation, and Fateful Lightning.

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