Adam Guillain Books

Read the clues, make a guess, and pull the slider to reveal the animal hiding in the beautifully illustrated scene.Each child is thinking of a pet. Can you guess which one? Read the clues, make a g...

I'm Thinking of an Ocean Animal

By Adam Guillain, Charlotte Guillain Illustrated By Lucia Gaggiotti

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Each child is thinking of an ocean animal. Can you guess which one?Each child is thinking of an ocean animal. Can you guess which one? Read the clues, make a guess, and pull the slider to reveal th...

Deep Sea Diving Adventure

By Amit Tayal, Adam Guillain

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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.