Sue Kassirer Books

Swan Lake

By Sue Kassirer, Walt Disney Productions

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Photo shown is the 1951 first edition printing. The 1980 cover also is posted in manage so that either covers are available for use.

Sleeping Beauty

By Mercer Mayer, Sue Kassirer

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A child imagines all the things to be done when one is bigger.

Doug s big shoe disaster

By Sue Kassirer

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Doug's search for the perfect pair of new shoes turns up Boat Shoes, Banana Slippers, Swiss Cheese shoes, and other unusual kinds of footwear, none of which suits him.

Joseph and His Coat of Many Colors Ready to Read Level 1

By Sue Kassirer

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Feria Musical De Matematicas math Fair Blues

By Sue Kassirer

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Que Sigue Nina what s Next Nina Math Matters En Espanol

By Sue Kassirer

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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.