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, Joyce Milton, Who HQ, Yona Zeldis McDonough, Patricia Brennan Demuth, Margaret Frith, Roberta Edwards, Celeste Davidson Mannis, Joan Holub, Ann Abramson, Bonnie Bader, WhitneyStewart, Gail Herman, Janet B. Pascal, James Buckley Jr., Megan Stine, True Kelley, Dana Meachen Rau, April Jones Prince, Pam Pollack, Meg Belviso, Jim Gigliotti, Sarah Fabiny, Nico Medina, Geoff Edgers, Avery Reed, Dinah Brown, Dina Anastasio, 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, Joseph Liu, Who HQ Who HQ, Stefanie Loh, Margaret Gurevich, Shelia P. Moses, Barbara Kramer, Crystal Hubbard, and Katie Ellison.