Doug Collins Books

Prisoner of War

By Douglas Collins

Average: 0.00, 0 Ratings

P.O.W. With a foreword by Douglas Bader.

By Doug Collins, Douglas Collins

Average: 0.00, 0 Ratings

P O W

By Douglas Collins

Average: 0.00, 0 Ratings

Clock and the Calendar

By Maria Bartiromo, Doug Collins

Average: 0.00, 0 Ratings

The Home Based Business Guide to Write Off Almost Anything

By Doug Collins

Average: 0.00, 0 Ratings

The Home-Based Business Guide to Write Off Almost Anything

By Doug Collins

Average: 0.00, 0 Ratings

93% of small businesses miss out on significant tax savings. It's a shame to pay more income than necessary. Don't let yourself be one of them. Get the book and start maximizing your tax write offs...

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.