Clarkesworld Magazine is a 21-book series with 21 released primary works first released in 2004 with contributions by Sandra McDonald, Naomi Kanakia, Sarah Goslee, Jeremy L.C. Jones, Brit Mandelo, Gord Sellar, An Owomoyela, Daniel M. Kimmel, Cat Rambo, Natalia Theodoridou, Vandana Singh, John Barnes, Rhiannon Held, Daniel Abraham, Chris Urie, Fran Wilde, Dan Koboldt, Nnedi Okorafor, D.A. Spires, Nika Murphy, Arula Ratnakar, Djuna, R.L. Meza, R.J. Taylor, Michael Swanwick, Robert Reed, Susan Palwick, Thoraiya Dyer, Maggie Clark, Someone, Seth Dickinson, Yoon Ha Lee, Sean Williams, Caroline M. Yoachim, Benjanun Sriduangkaew, Cheng Jingbo, Joseph Tomaras, N.K. Jemisin, Juliette Wade, Kat Howard, E. Lily Yu, James Patrick Kelly, Dale Bailey, Xia Jia, Rochita Loenen-Ruiz, Tang Fei, Naomi Kritzer, Mary Anne Mohanraj, Kali Wallace, Julie Nováková, E. Catherine Tobler, J.Y. Yang, Ken Liu, and Matthew Kressel.