ＭＳＰＥやモンスター！モンスター！は翻訳検討中らしいし
向こうでもＭＳＰＥの新刊が出るかも知れないとか

https://deluxetunnelsandtrolls.wordpress.com/2017/10/19/
＞There are also rumors of some new MSPE books in the works,
but more about that in a future blog post.