Richard E. Gilbert Books

A true "complete" guide, this book will list prices for antique jewelry items in over 700 categories with an additional 1000 pieces represented by high quality photographs. The values listed are al...

Complete Price Guide To Watches 2017

By Richard E. Gilbert, Tom Engle, Cooksey Shugart

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Complete Price Guide To Watches

By Richard E. Gilbert, Martha Shugart, Tom Engle, Cooksey Shugart

Average: 0.00, 0 Ratings

Complete Price Guide To Watches

By Richard E. Gilbert, Martha Shugart, Tom Engle, Cooksey Shugart, Shugart, Cooksey, Gilbert, Richard E., Engle, Tom, Shugart, Martha

Average: 0.00, 0 Ratings

The Complete Price Guide to Watches is the most reliable and convenient guide available. This annual book is a miniature encyclopedia with over 1,100 pages, over 10,300 watches listed with current...

The Complete Price Guide To Watches

By Richard E. Gilbert, Tom Engle, Cooksey Shugart

Average: 0.00, 0 Ratings

The Complete Price Guide to Watches is the most reliable and convenient guide available. This annual book is a miniature encyclopedia with over 1,100 pages, over 10,300 watches listed with current...

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.