Amy Ellis Books

New Worlds from Old
Developing essential understanding of proof and proving for teaching mathematics in grades 9 12
Stieglitz O Keeffe American Modernism
Through My Lens The Mediterranean
The Perfect Day
The Perfect Day

By Amy Ellis

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Modern basics
Modern basics

By Amy Ellis

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Modern Heritage Quilts
Modern Heritage Quilts

By Amy Ellis

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Hudson River School
Hudson River School

By Elizabeth Mankin Kornhauser, Kornhauser M. Ellis Amy, Amy Ellis

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"Hudson River School paintings are among America's most admired and well-loved artworks. Such artists as Thomas Cole, Frederic Church, Albert Bierstadt, and Martin Johnson Heade left a powerful leg...

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Developing essential understanding of mathematical reasoning for teaching mathematics in prekindergarten grade 8
Girls Who Wear Pink
Girls Who Wear Pink

By Amy Ellis

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Related Articles from our Blog

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.

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