Jim O’Connor is the author of What Was Pompeii?, What Was the Battle of Gettysburg?, and Who Is Bob Dylan?
Megan Stine has written several biographies for young readers, including “Who Is Michelle Obama?” and “Who Was Sally Ride? “She lives in Clinton, Connecticut.
Patricia Brennan Demuth is the author of several Who HQ titles, including Who Was Bill Gates?, What Was Pearl Harbor?, and What Was D-Day?
Nico Medina is the author of Where Is Mount Everest? and Who Was Julius Caesar? He lives in Brooklyn, New York.
Roberta Edwards lives in New York, New York. Ken Call lives in Northbrook, Illinois.
Joan Holub has authored and/or illustrated over 140 children’s books, including the Goddess Girls series, the Heroes in Training series, the New York Times bestselling picture book Mighty Dads (illustrated by James Dean), and Little Red Writing (illustrated by Melissa Sweet). She lives in North Carolina and is online at JoanHolub.com. (Bio via http://www.simonandschuster.com/authors/Joan-Holub/1440894)
Deborah Hopkinson is the award-winning author of numerous critically acclaimed picture books, middle grade fiction, and nonfiction. She lives in Oregon with her family and menagerie of pets.
John O’Brien is also the author and illustrator of Mother Hubbard’s Christmas, which Booklist calls “a yuk-filled read-aloud.” He lives in Delran, New Jersey.