Jerry I. Porras Books

"This is not a book about charismatic visionary leaders. It is not about visionary product concepts or visionary products or visionary market insights. Nor even is it about just having a corporate...

Built to Last

By James C. Collins, Collins James C., Jerry I. Porras

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Built to Last Successful Habits of Visionary Companies includes an interview with James C. Collins

By James C. Collins, Rick Rohan, Jerry I. Porras

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Built to Last

By Jerry I. Porras, Jim Collins

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Built to Last Century Business

By James C. Collins, Jerry I. Porras

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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.