Theanne Griffith Books

The Magnificent Makers 4: The Great Germ Hunt

By Reggie Brown, Theanne Griffith, Theanne Griffith Illustrated By Reggie Brown

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Boom! Snap! Whiz! Zap! The Magnificent Makers chapter book series is filled with science, adventure, and characters kids will love! Every book includes two science activities kids can do at home! T...

The Magnificent Makers 6: Storm Chasers

By Theanne Griffith, Leo Trinidad, Theanne Griffith Illustrated By Leo Trinidad

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Ada Twist Scientist The Why Files 1

By Theanne Griffith, Andrea Beaty

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Ada Twist Scientist The Why Files 1

By Theanne Griffith, Andrea Beaty

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Ada Twist Scientist The Why Files 2

By Theanne Griffith, Andrea Beaty

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The Magnificent Makers 4: The Great Germ Hunt

By Reggie Brown, Theanne Griffith

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The Magnificent Makers 5: Race Through Space

By Reggie Brown, Theanne Griffith

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Magnificent Makers 5

By Reggie Brown, Theanne Griffith

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The Magnificent Makers 1: How to Test a Friendship

By Reggie Brown, Theanne Griffith

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BOOM! SNAP! WHIZ! ZAP! The Magnificent Makers series is filled with science, adventure, and characters that readers will love! A modern-day Magic School Bus for chapter book readers!This book inclu...

Magnificent Makers 1

By Reggie Brown, Theanne Griffith

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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.