Doug Peterson Books

Three previously-published stories follow Junior and, in once case, Laura, as they visit the Treasure Trove Bookstore and are whisked away to other times and places to learn important lessons about...

LarryBoy versus Spud the dud

By Doug Peterson

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When a lazy potato named Spud the Dud tries to trick Bumblyburg's children into doing his chores, LarryBoy jumps to the rescue. Swing into this adventure with LarryBoy and Spud the Dud as they show...

Who s afraid of the big bad mop

By Doug Peterson

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While investigating a spelling bee caper, Larry has to face the mop of his nightmares. Join Bob and Larry as they learn that when you have to conquer fear it really helps to confide in someone who...

Of Moose and Men

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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.