Code in the Head and The Penal Cluster

Two of Garrett's Best Novelettes! Code in the Head is a delightful science fiction puzzler such as only Randall Garrett can write, and not available from any other publisher. And as an added bonus, read his The Penal Cluster which suggests that tomorrow's technocracy will produce criminals considered too abominable to live on this Earth. But what exactly does abominable mean? And to who?