Gary L. Blackwood Books

A shady private investigator hires 14-year-old Ryan Waite to impersonate the long-lost son of a millionaire desperate to reconnect with his son before he dies. But Ryan finds himself performing a p...

Futures

By Gary L. Blackwood

Average: 0.00, 0 Ratings

The lion & the unicorn

By Gary L. Blackwood

Average: 0.00, 0 Ratings

Shakespeare s Spy Shakespeare Stealer

By Gary L. Blackwood

Average: 0.00, 0 Ratings

Life on the Oregon Trail

By Gary L. Blackwood

Average: 0.00, 0 Ratings

Describes how people traveling on the Oregon Trail lived, discussing their reasons for going west, modes of transportation, interaction with the Indians, and activities on the Trail.

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.