Ronald Kessler Books

Presents an unstinting story of the forty-fifth president and the Trump White House, sharing insights into who influences the president, how he makes decisions, what he really thinks, and how he ha...

The Trump White House

By Ronald Kessler

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Never before has an American president had so much impact on the country and the world in so short a time as Donald Trump. Yet no president has stirred so much controversy, dominating media coverag...

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.