Null-ABC

by

H. Beam Piper and John J. McGuire

This was a novel serialized in Astounding Science Fiction, Vol. L, No. 6, February 1953 and Astounding Science Fiction, Vol. LI, No. 1, March 1953. It was reprinted in a revised and expanded form as "Crisis in 2140" by Ace. This is from the original Astounding publication. There are no chapter breaks in this version.

Astounding Cover for February 1953
Title page