Martin Fridson Books

Ben shu jiang jing dian cai wu li lun yu zhong da cai wu wu bi an li jie he, Yun yong sheng dong de yu yan he yan jin de luo ji, Yi ceng yi ceng bo kai gong si cai wu bao biao de shen mi mian sha,...

How to be a Billionaire

By Martin Fridson, Martin S. Fridson

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Financial Statement Analysis with Financial Numbers Game Set

By Martin Fridson

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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.