The author didn’t want to give away too many details on the book, but did note that his recounting of the FTX collapse “aims to read like a piece of fiction.”
Source: https://cointelegraph.com/app/public/index.php/news/the-big-short-author-michael-lewis-almost-ready-to-publish-book-on-sbf
'Big Short' author Michael Lewis almost ready to publish book on SBF
