Rachel Ignotofsky Books

The Wondrous Workings of Planet Earth

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An illustrated tour of the planet exploring ecosystems large and small, from reefs, deserts, and rainforests to a single drop of water—from the New York Times bestselling author of Women in Science...

Women in Art

By Rachel Ignotofsky

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A collection of charmingly illustrated and inspiring profiles of fifty pioneering female artists, from the eleventh century to today—by the New York Times bestselling author of Women in Science “A...

What's Inside A Flower?

By Rachel Ignotofsky

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From the creator of the New York Times bestseller Women in Science, comes a new nonfiction picture book series ready to grow young scientists by nurturing their curiosity about the natural world--s...

Women in Science

By Rachel Ignotofsky

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NEW YORK TIMES BESTSELLER • This “wittily illustrated [and] accessible volume” (The Wall Street Journal) highlights the contributions of fifty notable women to the fields...

Women in Sports

By Rachel Ignotofsky

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A richly illustrated and inspiring book highlighting the achievements and stories of fifty notable women athletes from the 1800s to today, by the New York Times bestselling author of Women in Scien...

Women in Science: 100 Postcards

By Rachel Ignotofsky

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Gorgeous illustrations of fifty fearless female pioneers who changed the world—with duplicates of each postcard Collecting the fifty most iconic illustrations from the book Women in...

The Wondrous Workings of Planet Earth Lib E

By Rachel Ignotofsky, Sarah Mollo Christensen

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The Wondrous Workings of Planet Earth

By Rachel Ignotofsky

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Women in Science

By Rachel Ignotofsky

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Women in Science

By Rachel Ignotofsky, Sarah Mollo Christensen

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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.