Valeri Gorbachev Books

When Christopher Rabbit learns to count in school, he enjoys it so much that he counts everything in sight, including how many baskets his friends make when they play basketball and how many peas a...

Molly who flew away

By Valeri Gorbachev

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Molly buys so many balloons for all her animal friends at the fair, she gets carried away into the air.

What s the big idea Molly

By Valeri Gorbachev

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Molly Mouse and her friends struggle to come up with ideas for birthday gifts for their friend Turtle.

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.