Who Was . . . ? Series is a 93-book series with 93 released primary works first released in 2002 with contributions by Michael Burgan, Who H.Q., Stephanie Spinner, Tui T. Sutherland, Jess Brallier, Who Hq, Kate Boehm Jerome, Gare Thompson, Who HQ, Yona Zeldis McDonough, Patricia Brennan Demuth, Joyce Milton, Roberta Edwards, Margaret Frith, Celeste Davidson Mannis, Joan Holub, Ann Abramson, Bonnie Bader, WhitneyStewart, Gail Herman, Janet B. Pascal, James Buckley Jr., Megan Stine, Pam Pollack, Meg Belviso, True Kelley, Geoff Edgers, Dana Meachen Rau, April Jones Prince, Sarah Fabiny, Nico Medina, Jim Gigliotti, Avery Reed, Dina Anastasio, Dinah Brown, Kirsten Anderson, Heather Alexander, Max Bisantz, Kate Bisantz, M.D. Payne, Diane Bailey, Ellen Labrecque, Jody Jensen Shaffer, Gail Herman, Paula K. Manzanero, Micah Hecht, Stefanie Loh, Who HQ Who HQ, Margaret Gurevich, Joseph Liu, Shelia P. Moses, Barbara Kramer, Crystal Hubbard, and Katie Ellison.