David Updike Books

The sounds of summer

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During the long days of summer vacation, Homer realizes that his beloved Sophocles is no longer a young dog and that he may lose his companion soon.

True Fishing Stories

By David Sherwin Parker, David Updike

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A spring story

By David Updike

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Homer, his dog Sophocles, and Henry have fun riding an iceberg down the creek until rushing waters threaten to take them out to sea.

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.