Just flipping thru Amazon this morning and ran across The Scorpion’s Sweet Venom: The Diary of a Brazilian Call Girl. This girl was a prostitute for 3 years in Brazil and initially published alot of her stories online, ala Jessica Cutler. From what I can tell, this book is just a compilation and repackaging of her original online entries with some other narratives added.
Her current weblog can be found at BrunaSurfistinha.com (Its written in either Spanish or Porteguese).