Yes, I read it quite some time ago. I don't recall learning anything that I didn't already know, but as the saying goes, everyone has a story and Blanche's is a lulu.
Buy it if the subject interest you. I found it interesting that Blanche survived and lived a full life in obscurity after Bonnie, Clyde and Buck were all killed.
"If my life weren't funny, it would just be true. And that would be unacceptable."
--Carrie Fisher