Emily Pillar Books

5 Steps To A 5

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AP Teachers' #1 Choice! Ready to succeed in your AP course and ace your exam? Our 5 Steps to a 5 guidesexplain the tough stuff, offer tons of practice and explanations, and help you make the most e...

5 Steps To A 5: AP Calculus AB 2024

By Emily Pillar, William Ma, William Ma, William Ma, Emily Pillar

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AP Teachers’ #1 Choice! Ready to succeed in your AP course and ace your exam? Our 5 Steps to a 5 guides explain the tough stuff, offer tons of practice and explanations, and help you make the m...

5 Steps To A 5: AP Calculus BC 2024, Elite Student Edition

By Emily Pillar, William Ma

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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.