Editing Second Foundation (section)

== Publication history ==
"Part I: Search by the Mule" was originally published in the January 1948 issue of ''[[Astounding Science Fiction]]'' under the title "Now You See It...". "Part II: Search by the Foundation" was originally published in the November and December 1949 and January 1950 issues of ''Astounding'' under the title "...And Now You Don't".<ref>{{cite book |last=Gunn |first=James |author-link=James E. Gunn |date=1982 |title=Isaac Asimov: The Foundations of Science Fiction |publisher=[[Oxford University Press]] |isbn=0-8108-5420-1 |edition=2005 Revised |url=https://books.google.com/books?id=XQE2f6CWyvEC}}</ref>{{rp|27–29}}

The Second Foundation would again be revisited in ''[[Foundation's Edge]]''.<ref>White, Michael ''Asimov: The Unauthorised Life''</ref>