Jennifer Loya Books

Tiny Carryalong Display

By Jennifer Loya

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Pop Up Pals

By Jennifer Loya

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Ten surprise packages for Squiggle Street

By Jennifer Loya

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As K.C. the kangaroo delivers different numbers of packages to her neighbors, she wonders what special birthday packages she will receive when she gets home, and the reader helps by opening various...

Where is Otis?

By Jennifer Loya

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When it is time for the dog's bath, Farmer Ted searches everywhere for him, while the reader helps by opening various doors using the enclosed plastic key.

Ten Suprise Packages for Squiggle Street Surprise Key

By Jennifer Loya

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What is Bear waiting for?

By Jennifer Loya

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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.