David Updike Books

A Winter Journey

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Homer goes out at night into a snowstorm in search of his dog Sophocles and experiences some strange and thrilling adventures.

Out on the Marsh

By David Updike, Dave Updike

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An autumn tale

By David Updike

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When Homer puts his jack-o-lantern over his head like a helmet on the eve of Halloween, he gains access to a secret nocturnal meeting of the trees as they celebrate the arrival of the full moon.

Seven times eight

By David Updike

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Truman and his dog Max switch bodies with humorous consequences both at home and at school.

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.