Murphy Frank Books

Ben Franklin and the magic squares

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Shows how Benjamin Franklin, inventor, writer and scientist, created a puzzle called the magic square to keep from being bored while serving as clerk for the Pennsylvania Assembly. Includes step-b...

George Washington and the general's dog

By Murphy Frank

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Recounts events in the life of George Washington which focus on his fondness for animals.

Take a hike, Teddy Roosevelt!

By Murphy Frank

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Ben Franklin and the magic squares

By Murphy Frank

Average: 0.00, 0 Ratings

Shows how Benjamin Franklin, inventor, writer and scientist, created a puzzle called the magic square to keep from being bored while serving as clerk for the Pennsylvania Assembly. Includes step-by...

Ben Franklin and the magic squares

By Murphy Frank

Average: 0.00, 0 Ratings

Babe Ruth Saves Baseball

By Murphy Frank

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Babe Ruth Saves Baseball

By Murphy Frank

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Take a hike, Teddy Roosevelt!

By Murphy Frank

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The legend of the teddy bear

By Murphy Frank

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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.