Bobby Martin Books

The Hockey Stick Principles

By Bobby Martin, Jamie Renell

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The hockey stick principles

By Bobby Martin

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"Many business books fuel unrealistic notions about what a good idea looks like, how fast a founder should attract investment, and how quickly growth will take off. The problem with this mythology...

Bobby Martin was a Worship Leader in churches and at large for 25 years before planting a church in the Northwest Houston area in January of 2004. Since serving as Lead Pastor, The Church at Creek'...

Blade Years

By Bobby Martin

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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.