Marc Aronson is the acclaimed author of Trapped: How the World Rescued 33 Miners from 2,000 Feet Below the Chilean Desert, which earned four starred reviews.

He is also the author of Sir Walter Raleigh and the Quest for El Dorado, winner of the ALA's first Robert L. Sibert Award for nonfiction and the Boston Globe-Horn Book Award.

He has won the LMP award for editing and has a PhD in American history from NYU.

Marc lives in Maplewood, New Jersey, with his wife and son. 

Since she doesn't draw or paint, Cynthia Levinson tells true stories about brave people, like Ben Shahn, and the injustices they've faced through words.

She loves doing research, which has allowed her not only to visit Shahn's studio but also to walk with soldiers of the civil rights movement, fall off a tightwire, and read letters in a condemned building surrounded by police tape. Cynthia's books for young readers have won many awards. She lives in Austin and Boston.

Sally M. Walker studied geology and is the author of many non-fiction books, including Secrets of a Civil War Submarine, which won the Sibert Award. She lives in Illinois

Steve Sheinkin is the acclaimed author of fast-paced, cinematic nonfiction histories for young readers, including The Port Chicago 50: Disaster, Mutiny, and the Fight for Civil Rights; The Notorious Benedict Arnold: A True Story of Adventure, Heroism & Treachery; Bomb: The Race to Build--and Steal--the World's Most Dangerous Weapon; and Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War.

His accolades include a Newbery Honor, three Boston Globe-Horn Book Awards, a Sibert Medal, and three National Book Award finalist honors. Sheinkin lives in Saratoga Springs, New York, with his wife and two children.

Amy Alznauer is an author of poetry, essays, and nonfiction for children. Her adult memoir Love & Salt won a Christopher Award. She is also on the mathematics faculty at Northwestern University, where she teaches calculus and number theory. She lives in Chicago.

Marc Aronson is the author and editor of many titles for young people, including War Is: Soldiers, Survivors, and Storytellers Talk about War, co-edited by Patty Campbell, and Master of Deceit: J. Edgar Hoover and America in the Age of Lies. Marc Aronson lives in New Jersey.

Susan Campbell Bartoletti is the author of many nonfiction books for young people, including Hitler Youth: Growing Up in Hitler's Shadow, a Newbery Honor Book. She lives in Pennsylvania.