Adria Klein Books

Sharing Time Carousel Readers

By Adria Klein Gay Su Pinnell Colleen Griffiths Jan Swartz

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I can draw Earlybird carousel readers

By Adria Klein

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Lots of Toys Earlybird Carousel Readers Set 3

By Adria Klein

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Which One Is Next Level a Book 24

By Adria Klein

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The measurement mysteries

By Adria F. Klein

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Children will be able to: using nonstandard measures, find a way to measure the lengths of different objects; compare the lengths of different objects; display graphic information; pose a question...

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.