Eric San Juan Books

A Year of Hitchcock 52 Weeks with the Master of Suspense

By Jim McDevitt, Eric San Juan

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Celebrating Mad Men

By Eric San Juan

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Geek Wisdom

By Stephen H. Segal

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The essential companion for the geek era: a fusion of inspirational quotes, philosophy, and pop culture drawn from the entire cult-classic canon of film, TV, books, comics, and science.   Cele...

Leading Edge Issue 72 Volume 72

By Mark Silcox, Patrick Genellie, Brandon McFall, Eric San Juan

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Hitchcocks Villains Murderers Maniacs And Mother Issues

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The films of Alfred Hitchcock are appreciated for a variety of reasons, including the many memorable villains who menaced the protagonists. Unlike so many of cinema's wrongdoers, the Hitchcock vill...

Hitchcock s Villains

By Eric San Juan

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Year of Hitchcock

By Jim McDevitt, Eric San Juan

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Hitchcock s Villains

By Jim McDevitt, Eric San Juan

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.