Aaron Johannes Books

What Works

By Aaron Johannes

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101 ways to make friends

By Aaron Johannes

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Researchers and facilitators Susan Kurliak and Aaron Johannes have met with many people with disabilities and their families, and generated with them a list of useful tips for making, keeping and d...

101 Ways to Facilitate Making Friends

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From institutions to individuals

By Jim Reynolds, Susan Stanfield, Aaron Johannes, Patrick McDonagh

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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.