Who Was . . . ? Series is a 83-book series with 114 primary works first released in 2002 with contributions by Kate Boehm Jerome, Stephanie Spinner, Who H.Q., Tui T. Sutherland, Jess Brallier, Who Hq, Gare Thompson, Yona Zeldis McDonough, Who HQ, Patricia Brennan Demuth, Joyce Milton, Margaret Frith, Roberta Edwards, Celeste Davidson Mannis, Ann Abramson, Bonnie Bader, WhitneyStewart, Gail Herman, Joan Holub, Janet B. Pascal, James Buckley Jr., True Kelley, Pam Pollack, Meg Belviso, Dana Meachen Rau, Jim Gigliotti, April Jones Prince, Megan Stine, Sarah Fabiny, Nico Medina, Geoff Edgers, Dinah Brown, Dina Anastasio, Kirsten Anderson, Avery Reed, Max Bisantz, Kate Bisantz, M.D. Payne, Ellen Labrecque, Diane Bailey, Michael Burgan, Jody Jensen Shaffer, Gail Herman, Paula K. Manzanero, Micah Hecht, Stefanie Loh, Who HQ Who HQ, Shelia P. Moses, Crystal Hubbard, Barbara Kramer, Margaret Gurevich, Katie Ellison, and Joseph Liu.
Who Was . . . ? Series
2007 • 2 Readers • 116 pages • 4
Who Was . . . ? Series
2014 • 1 Reader • 111 pages
Who Was . . . ? Series
2008 • 2 Readers • 86 pages • 4
Who Was . . . ? Series
2013 • 2 Readers • 114 pages
Who Was . . . ? Series
2006 • 1 Reader • 105 pages
Who Was . . . ? Series
2009 • 1 Reader • 112 pages • 5
Who Was . . . ? Series
2016 • 1 Reader • 114 pages • 5
Who Was . . . ? Series
2016 • 1 Reader • 114 pages • 5
Who Was . . . ? Series
2020 • 1 Reader • 114 pages
Who Was . . . ? Series
2023 • 1 Reader • 113 pages
Who Was . . . ? Series
2014 • 1 Reader • 114 pages • 3
Who Was . . . ? Series
2002 • 1 Reader • 113 pages • 4
Who Was . . . ? Series
2009 • 2 Readers • 112 pages • 4