Koertge, Ronald Books

Mariposa Blues

By Ronald Koertge

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Tiger, Tiger, Burning Bright

By Ronald Koertge, Ron Koertge, Koertge, Ronald

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Worried that his mother will send his beloved grandfather to a nursing home "for his own good," Jesse and some of his eighth-grade classmates accompany Pappy into the mountains near their small Cal...

Tiger, tiger, burning bright

By Ronald Koertge

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Where the Kissing Never Stops

By Ron Koertge

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Propelled by Ron Koertge's rapid-fire repartee, this is the funny and touching tale of a winningly honest protagonist discovering the perils and rewards of family, friendship, and romance."Anyway,"...

Geography of the forehead

By Ronald Koertge

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Where The Kissing Never Stops

By Ron Koertge

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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.