Peter Sears Books

Dr. Sears L.E.A.N. Kids

By Sean Foy, Peter Sears, William Sears

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Secret writing

By Peter Sears

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Discusses secret writing, ciphers, and the processes of creating and deciphering secret or difficult languages. Includes thinking and writing exercises.

The lady who got me to say solong mom

By Christopher Howell, Peter Sears

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Portable Pediatrician

By James Sears, Peter Sears, Martha Sears, Robert W. Sears, William Sears

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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.