Valrie M. Selkowe Books

Spring green

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Danny Duck needs something to take to a "green" contest at a spring party and surprises himself by what he actually takes.

Happy Birthday to me!

By Valrie M. Selkowe

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Through a garden, inside a great pink house, a young rabbit discovers a wonderful birthday celebration.

Happy Birthday to me!

By Valrie M. Selkowe

Average: 0.00, 0 Ratings

Through a garden, inside a great pink house, a young rabbit discovers a wonderful birthday celebration.

Spring green

By Valrie M. Selkowe

Average: 0.00, 0 Ratings

Danny Duck needs something to take to a "green" contest at a spring party and surprises himself by what he actually takes.

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.