Radix (novel)
 Radix is a science fiction novel by A. A. Attanasio published in 1981. It was nominated for the Nebula Award for Best Novel in 1981. It is the first of four books in Attanasio's Radix Tetrad followed by In Other Worlds in 1984.The novel is being re-issued by Phoenix Pick an imprint of Arc Manor Publishers in 2010.