Michael Heiser

Michael S. Heiser

Michael S. Heiser (1963–2023) was a Bible teacher, podcaster, and author of numerous books, including Supernatural, Angels, and Demons. He earned a PhD in Hebrew Bible and Semitic languages from the University of Wisconsin-Madison and was founding executive director of AWKNG School of Theology.

He could do translation work in roughly a dozen ancient languages, including Biblical Hebrew, Greek, Aramaic, Egyptian hieroglyphs, and Ugaritic cuneiform. He also specialized in Israelite religion (especially Israel’s divine council), contextualizing biblical theology with Israelite and ancient Near Eastern religion, Jewish binitarianism, biblical languages, ancient Semitic languages, textual criticism, comparative philology, and Second Temple period Jewish literature.

His varied academic background enabled him to operate in the realm of critical scholarship and the wider Christian community. His experience in teaching at the undergraduate level and writing for the layperson both directly contributed to his goal of adapting scholarly tools for nonspecialists.

The Unseen Realm

Discovering the Supernatural World of the Bible (Expanded Edition)

by Michael S. Heiser

Talking snakes. Giants. A heavenly council. Imprisoned spirits. Your Bible is filled with strange things, but what do they mean and why do they matter? In The Unseen Realm, Michael Heiser unveils the supernatural worldview of the Bible. Heiser shows how understanding the Bible’s ancient context reveals surprises hiding in plain sight. By reading the Bible with the mindset of an ancient Israelite, you will learn new things about God, yourself, and the world. You may never read your Bible the same way again.

To celebrate the tenth anniversary of this bestselling book, The Unseen Realm Expanded Edition features a deluxe hardcover format and new content from Heiser never before available in print, further unveiling the unseen realm.

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Discover what the Bible really says about the powers of good and evil.

All too often, a modern Western worldview blinds even Christians to the reality of the spiritual. In Angels and Demons, Michael Heiser debunks popular presuppositions about the very real heavenly host and powers of darkness. Rather than traditions, stories, speculations, or myths, these books are grounded in what ancient people of both the Old and New Testament eras believed about spiritual forces and in what the Bible actually says.

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The truth about demons is far stranger—and even more fascinating—than what’s commonly believed

What people believed about evil spiritual forces in biblical times was very different from today—an ancient worldview missing in modern analysis.

In the Demons documentary, Michael Heiser addressees malevolent entities, supernatural rebellion, spiritual warfare—powers of darkness that are very, very real.

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The Unseen Realm

The Unseen Realm

Recovering the Supernatural Worldview of the Bible

In The Unseen Realm, Michael Heiser shines a light on the supernatural world—not a new light, but rather the same light the original, ancient readers—and writers—of Scripture would have seen it in, given their historical and cultural milieu.

With over 100,000 copies sold, The Unseen Realm has become a groundbreaking bestseller. This unfiltered look at the unseen world of the supernatural is now available in paperback and has been developed into a feature-length documentary.

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There’s more to see in The Unseen Realm

Rebellion in God’s council. Spirits of dead giants. Rival gods creating chaos. Do you really believe what's in your Bible?

In the The Unseen Realm documentary, a light is cast on the strange and enigmatic plane of the supernatural that lies hidden within Scripture.

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More from Michael Heiser