What was...? is a 30-book series with 44 primary works first released in 2013 with contributions by Patricia Brennan Demuth, Kathleen Krull, Janet B. Pascal, Joan Holub, Who H.Q., Jim O'Connor, Pam Pollack, Meg Belviso, Who Hq, Judith St. George, Gail Herman, Gail Herman, Megan Stine, Deborah Hopkinson, Nico Medina, Sarah Fabiny, Jill Abramson, Douglas Yacka, Catherine Daly, Jake Murray, Dorothy Hoobler, Thomas Hoobler, Jess M Brallier, Varian Johnson, Sherri L. Smith, Ben Hubbard, Gina Shaw, and Steve Korté.
2015 • 1 Reader
2019 • 2 Readers • 112 pages
2013 • 2 Readers
2014 • 1 Reader
2013 • 3 Readers • 5
2018 • 2 Readers • 112 pages • 4.5
2013 • 1 Reader
2019 • 1 Reader
2019 • 2 Readers • 129 pages
2015 • 2 Readers • 112 pages • 5
2015 • 2 Readers
2013 • 1 Reader
2016 • 2 Readers • 129 pages • 5
2014 • 1 Reader
2018 • 1 Reader • 130 pages
2014 • 2 Readers
2017 • 2 Readers • 130 pages • 5
2014 • 1 Reader
2014 • 1 Reader
2015 • 2 Readers • 114 pages
2017 • 2 Readers • 5
2016 • 1 Reader
2021 • 1 Reader
1 Reader
2018 • 1 Reader • 130 pages
2013 • 2 Readers • 130 pages • 4
2 Readers
2021 • 1 Reader
2024 • 1 Reader • 113 pages
2013 • 1 Reader • 130 pages
2017 • 2 Readers • 129 pages • 5
2013 • 1 Reader • 4