Having read/edited three of those "books" I can also safely say that all those "letters" are written by the same person, who I'm guessing to be, judging by the writing style, to be a 68 year old, Jewish writer living in the Bronx pretending to be a busty, slutty 28 year old blonde, white woman dissatisfied with her husband's "pink, picnic sausage" and determinded to encounter a little jungle love with the black mechanic living next door...