Katie Kobble Books

Tappy Easter

By Katie Kobble

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"Happy snappy penguins skip in with colorful Easter eggs to count."--Page 4 of cover.

Rudolph the red nosed reindeer

By Katie Kobble

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"Rudolph and His Friends Share the Fun and Wonderful Things The Winter Season Brings."

Rudolph the Red Nosed Reindeer Very Merry Misfits

By Katie Kobble

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Holly has a nose for Christmas

By Katie Kobble

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Follow Holly the mouse! Scratch and sniff and lift the flaps and find the smells of Christmas!

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.