Patrick McDonnell Books

Silly wonderful you

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Before YOU came along, so many things were different! But now there's a giggly baby, a house full of adventures and toys, a million little surprises. . . . And so much love.

The Gift of Nothing

By Patick McDonnell

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Just Like Heaven: A Mutts Children's Book

By Jean Little

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Having awakened from a nap to find himself surrounded by fog, Mooch the cat decides he must be in Heaven, especially when he sees that all of his loved ones are there.

Darling, I Love You

By Daniel James Ladinsky

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A heartwarming collection of short verse celebrating our beloved pets and the wonder of life Daniel Ladinsky is the internationally acclaimed poet known for his inspired, contemporary renderings o...

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.