Witch World

Witch World is a 28-book series with 28 primary works first released in 1963 with contributions by Andre Norton, norton-andre, A.C. Crispin, C. J. Cherryh, Elizabeth H. Boyer, Meredith Ann Pierce, Judith Tarr, Patricia Matthews, Sasha Miller, Lyn McConchie, Mary H. Schaub, and Mercedes Lackey.