Anthony D. Fredericks Books

Bloodsucking creatures

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Collects information about animals and insects that thrive off of the blood of other animals and humans, such as mosquitoes, lice, bats, and leeches.

Seashore Book

By Charlotte Zolotow

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The reading motivation idea book

By Elaine Papandrea LeBlanc

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Swimming home

By Susan Hand Shetterly

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"Some fish, like the river herring called alewives, hatch in a lake or big pond, and when they are a little older, swim down a river and out to the ocean. They return home to their lake when it is...

The Complete Guide to Thematic Units

By Anita Meinbach, Liz Rothlein, Anthony D. Fredericks

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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.