Lucille Recht Penner Books

Contains a variety of projects with a teddy bear theme, including making stuffed bears, decorated tee shirts, puppets, jewelry, party foods, and more.

Twisters!

By Lucille Recht Penner

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Describes how tornadoes and hurricanes form and the damage they do.

Big birds

By Lucille Recht Penner

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Describes the physical characteristics, eating habits, defense behavior, and other aspects of large flightless birds both living and extinct, including ostriches, emus, cassowaries, rheas, elephant...

Safari Step

By Lucille Recht Penner

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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.