Gwen Strauss Books

Ruth and the Green Book

By Calvin Alexander Ramsey, Gwen Strauss

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The Night Shimmy

By Anthony Browne

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Ruth and the Green Book

By Calvin A. Ramsey

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When Ruth and her parents take a motor trip from Chicago to Alabama to visit her grandma, they rely on a pamphlet called "The Negro Motorist Green Book" to find places that will serve them. Include...

Ruth and the Green Book

By Floyd Cooper, Calvin Alexander Ramsey, Gwen Strauss

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Nine

By Gwen Strauss

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Nine

By Gwen Strauss

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Nine

By Gwen Strauss

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Hiding Game

By Herb Leonhard, Gwen Strauss

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Ruth and the Green Book

By Floyd Cooper, Calvin Alexander Ramsey, Gwen Strauss

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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.