If you cannot locate the original PDF, the full text is also preserved on multiple fan wikis in transcript form — just search for “Reed Wahl audio diaries” and read them in chronological order (the novella orders them for you).
BioShock: Mind in Revolt is a prequel novella written by Shirley Sariaslan (under the pen name "Juliette L. N." for some editions) and published by Irrational Games. It was originally released as a free promotional e-book before the launch of BioShock 2 . It is not a full-length novel but a collection of diary-style audio diary transcripts.