Michael Grejniec Books

What Do You Like

By Michael Grejniec

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A Taste of the Moon

By Michael Grejniec, Bright Connections Media

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Yue Liang de Wei DAO Chinese Edition

By Michael Grejniec

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Yue liang shi she me wei dao

By Michael Grejniec

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The turtle wanted to taste the moon; not being able to reach it he called elephant, who called giraffe ... Each climbed on the back of the other; finally mouse reached it, so all had a taste.

Albert's nap

By Michael Grejniec

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Albert the hippo has his nap disrupted by an annoying and elusive fly.

Ayin tadi nasil?

By Michael Grejniec

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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.