Susan Perkis Haven Books

Maybe I'll move to the lost & found

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Fourteen-year-old Gilly strives to assert herself as she tries to cope with her parents' divorce, problems with friends, and a basic lack of confidence.

Is it them or is it me?

By Susan Perkis Haven

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Molly's first weeks in high school provide her with some unforgettable experiences with new friends, new teachers, and a crisis at home.

Seven perfect marriages that failed

By Susan Perkis Haven

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Maybe I ll Move to the Lost and Found

By Susan P. Haven

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City Kids

By Susan Perkis Haven, Sue Haven, Valerie Monroe

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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.