Helen Perelman Books

YA. The Baking Channel has come to Albuquerque for a televised cake-making challenge. East High and West High each get to enter a team of students to compete, and of course the Wildcats have the ed...

Heart to Heart Stories from East High 6

By Helen Perelman

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Under the Stars Stories from East High Special Edition

By Helen Perelman

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Wizards of Waverly Place 1 It s All Relative

By Helen Perelman, Name Missing

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When Alex Russo discovers that her dad has already taught her brother Justin how to fly the family's magic carpet, she insists on getting her own flying lessons. The problem is, her father isn't qu...

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.