# Integrating a Usable Security Protocol into User Authentication Services Design Process by Ahmed Seffah — resale value

Source: JunkPal price guide — https://junkpal.ai/products/integrating-a-usable-security-protocol-into-user-authentication-services-design-

**Integrating a Usable Security Protocol into User Authentication Services Design Process by Ahmed Seffah** — resale value from real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/integrating-a-usable-security-protocol-into-user-authentication-services-design-

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%3DIntegrating%2520a%2520Usable%2520Security%2520Protocol%2520into%2520User%2520Authentication%2520Services%2520Design%2520%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%3DIntegrating%2520a%2520Usable%2520Security%2520Protocol%2520into%2520User%2520Authentication%2520Services%2520Design%2520%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 | 9780429787508 |
| Brand | Ahmed Seffah |
| Published | 2018 |
| Publisher | Auerbach Publishers, Incorporated |
| Editions | 6 |
| Category | Mathematics |

## Integrating a Usable Security Protocol into User Authentication Services Design Process resale value

**Integrating a Usable Security Protocol into User Authentication Services Design Process** by Ahmed Seffah (2018). Across 6 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 this 2018 edition still relevant for modern security design?**

As a foundational text from 2018, it provides core principles for integrating security protocols.

**What is the ISBN for this specific publication?**

The ISBN listed for this book is 9780429787508.

**Who is the author of this mathematics text?**

The author of "Integrating a Usable Security Protocol into User Authentication Services Design Process" is Ahmed Seffah.

---

Full price guide: https://junkpal.ai/products/integrating-a-usable-security-protocol-into-user-authentication-services-design-
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)"