Sam Zuppardi Books

Jack s worry

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Jack loves playing the trumpet, and for weeks he s been looking forward to taking part in his first concert. But on the morning of the big day, Jack finds he has a Worry. And his Worry starts to gr...

Things to Do with Dad

By Sam Zuppardi

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Pet and the Pendulum

By Gordon McAlpine, Sam Zuppardi

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Once upon a Midnight Eerie

By Gordon McAlpine, Sam Zuppardi

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Things to Do with Dad

By Sam Zuppardi Illustrated By Sam Zuppardi

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Can a young boy figure out how to turn an obstacle into an opportunity in this nearly wordless picture book?A morning of fun with Dad takes a turn for the boring when a long to-do list interferes....

The Nowhere Box

By Sam Zuppardi

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The Nowhere Box

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Jack s Worry

By Sam Zuppardi

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The Nowhere Box

By Sam Zuppardi

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Preocupa C C o Do Gaspar

By Sam Zuppardi

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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.