The first-edition front cover of the novel <i><a href="https://en.wikipedia.org/wiki/The_Book_of_est" class="extiw" title="en:The Book of est">The Book of est</a></i>.
<a href="https://en.wikipedia.org/wiki/George_Cockcroft" class="extiw" title="en:George Cockcroft">George Cockcroft</a> (as Luke Rhinehart). Published by Holt, Rhinehart and Winston.
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