Olivia Aserr Books

How to Make a Friend

By Stephen W. Martin, Olivia Aserr

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A Mermaid Girl

By Sana Rafi, Olivia Aserr

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A young girl celebrates the experience of wearing a burkini for the first time in this lyrical and heartwarming picture book that casts a fresh light on timeless summer activities, and celebrates c...

How to Make a Friend

By Stephen W. Martin, Olivia Aserr

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Astronaut Training

By Aneta Cruz Illustrated By Olivia Aserr

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When Astrid's first space mission goes disastrously wrong, she realizes she needs a bit more training than she thought!Astrid is training to go to space! But as she builds her shuttle, cooks astron...

Astronaut Training

By Aneta Cruz

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Halloween Treat Hide And Seek

By Chronicle Books, Olivia Aserr

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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.