Lee B. Hopkins Books

School Supplies

By Lee B. Hopkins

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Marvelous Math

By Lee B. Hopkins

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Presents such poems as "Math Makes Me Feel Safe," "Fractions," "Pythagoras," and "Time Passes," by such writers as Janet S. Wong, Lee Bennett Hopkins, and Ilo Orleans.

Climb Into My Lap First Poems To Read Together

By Lee Bennett Hopkins, Kathryn Brown, Lee B. Hopkins

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A collection of poems chosen to be read aloud, by such authors as Edward Lear, Charlotte Zolotow, and Nancy Willard.

My America

By Lee B. Hopkins

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A collection of poems evocative of seven geographical regions of the United States, including the Northeast, Southeast, Great Lakes, Plains, Mountain, Southwest, and Pacific Coast States.

Spectacular Science

By Lee B. Hopkins

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A collection of poems about science by a variety of poets, including Carl Sandburg, Valerie Worth, and David McCord.

YUMMY

By Lee B. Hopkins

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School Supplies

By Lee B. Hopkins

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Wonderful Words

By Lee Bennett Hopkins, Karen Barbour, Lee B. Hopkins

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Happy Birthday

By Lee B. Hopkins

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A collection of poems all about birthdays.

Marvelous Math

By Lee B. Hopkins

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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.