It’s called God’s Final Victory: A Comparable Philosophical Case for Universalism by John Kronen and Eric Reitan. This is far and away the most comprehensive, compelling and convincing book I’ve ever read on the topic. Whether you’re already a convinced or hopeful Universalist (or at least leaning in that direction) or if you’ve been won over to another view on hell by someone like Jerry Walls or Edward Fudge, I highly recommend you read this book. In my opinion, any new writing on hell that doesn’t address the arguments presented in this book simply isn’t worth the effort.
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