Skin in the Game is the last volume of Taleb's Incerto series.

Judged as of 2018-04-11. True: at that date Skin in the Game (2018) was the latest volume of the Incerto, as shown by the publisher's listing or the author's own statements about the series. Under the 'as of the date' rule, later volumes do not count against the claim. If 'last' is read as 'final', a later added volume (e.g. Statistical Consequences of Fat Tails) would make it mostly true at most. Mixed: the publisher and the author disagree on what the series includes. False: another Incerto volume had been published after Skin in the Game by 2018-04-11, or Skin in the Game was not part of the Incerto.

Set before the research began.

1. E1 Skin in the Game (book) - Wikipedia Wikipedia

   “The book is part of Taleb's multi-volume philosophical essay on uncertainty, titled the Incerto, which also includes Fooled by Randomness (2001), The Black Swan (2007–2010), The Bed of Procrustes (2010–2016), and Antifragile (2012).”

2. E2 Skin in the Game (book) - Wikipedia Wikipedia

   “| Publication date | February 27, 2018 |”

3. E3 Fourmilog: None Dare Call It Reason Fourmilab (John Walker blog) · 4 August 2019

   “This book is volume four in the author's”

4. E4 Statistical Consequences of Fat Tails: Real World Preasymptotics, Epistemology, and Applications arXiv · 24 January 2020 Own record

   “This book, the first volume of the Technical Incerto, weaves a narrative around published journal articles.”

E1 says Skin in the Game is part of Taleb's Incerto and lists the other volumes with dates from 2001 to 2016, all before it. E2 gives its publication date as February 27, 2018. So on 2018-04-11 it was the most recent Incerto volume. E3 also places it in the series. The later book in E4 (2020) is labelled part of a separate "Technical Incerto", and anything published later does not count against the claim as of that date.