# The Gate Theory by Kaaron Warren — resale value

Source: JunkPal price guide — https://junkpal.ai/products/the-gate-theory-kaaron-warren-ol29308309w

**The Gate Theory by Kaaron Warren** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/the-gate-theory-kaaron-warren-ol29308309w

Values are medians of real closed eBay sales, updated 2026-06-18. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DKaaron%2520Warren%2520The%2520Gate%2520Theory%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DKaaron%2520Warren%2520The%2520Gate%2520Theory%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 9781925759549 |
| Brand | Kaaron Warren |
| Published | 2017 |
| Publisher | Ifwg Publishing International |
| Pages | 124 |
| Editions | 3 |
| Category | Horror |

## The Gate Theory resale value

**The Gate Theory** by Kaaron Warren (2017). Across 3 editions. Used-book value depends heavily on edition (first printing vs. reprint), condition, dust jacket, and whether it's signed. First editions and out-of-print titles command the biggest premiums.

### What drives the price

First editions/first printings, intact dust jackets, signatures, and unmarked pages are the top value drivers. Book-club editions and later reprints are worth far less.

## FAQ

**Is The Gate Theory by Kaaron Warren still in high demand?**

As a 2017 publication, this horror novel maintains steady demand within the genre resale market.

**How many editions of this book are available?**

This title has been released in 3 different editions.

**What is the ISBN for The Gate Theory?**

The ISBN for this book is 9781925759549.

---

Full price guide: https://junkpal.ai/products/the-gate-theory-kaaron-warren-ol29308309w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-18, based on real sold listings (junkpal.ai)"