Barry Wallenstein Books

For Enid with love

By Enid Dame, Barry Wallenstein

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Tony s world

By Barry Wallenstein

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It s about Time

By Barry Wallenstein

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Barry Wallenstein's poetry, from his first book in 1977 to now, addresses his awareness of time's swift passing. The poems continue this time-honored theme and its attendant thoughts and emotions....

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.