The expanded edition of The Unseen Realm adds over 17,000 words, twenty-four expanded chapters, a new appendix, and more, making it about 175 pages longer than the original. Released by Lexham Press in a deluxe hardcover with striking artwork, it serves as a worthy tribute to Michael Heiser’s legacy. The book challenges Western Christianity’s flat, naturalistic view of Scripture by recovering the biblical authors’ supernatural worldview. Some readers may find its depth demanding, especially those new to biblical theology, but many will welcome its insights and clarity on passages often called “weird” or confusing. The expansion integrates material once only online, weaving it into the book to present Heiser’s broader reflections. For these reasons, I give the expanded edition a full ⭐⭐⭐⭐⭐, recommending it both to long-time students of Heiser’s work and to thoughtful readers eager to engage the Bible on its supernatural terms.