Cathie Cush Books

Spanish Curriculum Based Spanish Dictionaries

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Depression

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Deals with a variety of issues related to teenage depression, including personal relationships and pressures, substance abuse, suicide, running away, and how to get help and develop coping skills.

Pregnancy

By Cathie Cush

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Covers a wide variety of topics related to teen pregnancy, including birth control, the question of abstinence versus sexual activity, peer pressure, precautions against disease, abusive partners,...

Disasters that shook the world

By Cathie Cush

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Describes twenty famous disasters, from the eruption of Mount Vesuvius, to the sinking of the Titanic, to Hurricanes Andrew and Iniki.

Artists who created great works

By Cathie Cush

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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.