Author, Writer · 56 titles
O Futuro PerdidoFilm· 2010Writer
O Anel dos NibelungosFilm· 2004Writer
Deep WizardryBook· 1985Author
High WizardryBook· 1990Author
A Wizard AbroadBook· 1993Author
The Wizard's DilemmaBook· 2001Author
Dark MirrorBook· 1993Author
Spock's WorldBook· 1989Author
The Door into FireBook· 1979Author
Doctor's OrdersBook· 1990Author
The Romulan WayBook· 1987Author
The Empty ChairBook· 2006Author