Dennis Reader Books

Two teenagers, both recently devastated by personal tragedy, abandon civilization for the isolated mountains of nothern California where they hope to survive on their own. they suck at it get close...

Coming back alive

By Dennis J. Reader

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Butterfingers

By Dennis Reader

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Benjamin Butters is called Butterfingers because he always drops everything, but when he is given his new baby sister to hold, he knows he won't drop her because she's his sister.

Y brenin trachwantus

By Dennis Reader

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A lovely bunch of coconuts.

By Dennis Reader

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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.