David M. McPhail Books

Big Pig and Little Pig

By David M. McPhail

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Although they like different things, Big Pig and Little Pig enjoy spending time together.

Jack and Rick

By David M. McPhail

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Jack and Rick want to play together, but there's a river between them and they will have to work together to bridge it.

Jack and Rick

By David M. McPhail

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Jack and Rick want to play together, but there's a river between them and they will have to work together to bridge it.

Ed and me

By David M. McPhail

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A small girl and her father buy an old pick-up truck named Ed, and build a garage to store it in.

Farm morning

By David M. McPhail

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A father and his young daughter share a special morning as they feed all the animals on their farm.

Sisters

By David M. McPhail

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Though two sisters are different in many ways, they are alike, too--most importantly, in their love for each other.

In the summer I go fishing.

By David M. McPhail

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When no one buys his fish, a youngster earns money by selling some lemonade mixed by a little old lady.

Andrew's bath

By David M. McPhail

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First flight

By David M. McPhail

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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.