Jules Older Books

Cross-country skiing for everyone

By Jules Older

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Cow

By Jules Older

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A light-hearted, informative look at cows: different breeds, what they eat, how they make milk, and an assortment of other facts.

Cow

By Jules Older

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A light-hearted, informative look at cows: different breeds, what they eat, how they make milk, and an assortment of other facts.

December It Happens in the Month of... Jackson Ellen B. It Happens in the Month of.

By Jules Older, Ellen Jackson

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A light-hearted, informative look at cows: different breeds, what they eat, how they make milk, and an assortment of other facts.

Anita!

By Jules Older

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A brief biography of the energetic woman who founded the Body Shop with its line of cosmetics made from natural ingredients. Includes health and skincare advice.

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.