Dent Harry S. Jr Books

The Sale of a Lifetime

Average: 0.00, 0 Ratings

After the Roaring '20s came the Great Depression. After the Roaring 2000s came the Great Recession.We're now entering the winter season of the 80-Year Four Season Economic Cycle. It's during this s...

The demographic cliff

By Dent Harry S. Jr

Average: 0.00, 0 Ratings

"Bestselling author and financial guru Harry Dent shows why we're facing a decade-long "great deflation"-and what to do about it. Throughout his long career as an economic forecaster, Harry Dent ha...

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.