William Dylan Powell Books

Houston Then and Now R

By William Dylan Powell

Average: 0.00, 0 Ratings

Texas Then and Now R

By William Dylan Powell

Average: 0.00, 0 Ratings

Secret Houston: A Guide to the Weird, Wonderful, and Obscure

By William Dylan Powell

Average: 0.00, 0 Ratings

What's the best place in Houston to watch ostrich racing? Is there really buried treasure in Hermann Park? Do you know where to catch live jazz on the site of the original Republic of Texas capitol...

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.