Marci Ridlon Books

Lightning Strikes Twice A Woodsey Adventure Book

By Cyndy Szekeres, Marci Ridlon

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Grandma & Grandpa's Grand Opening

By Marci Illustrated By Szekeres Cyndy Ridlon

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A frog sandwich

By Marci McGill, Marci Ridlon

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"What happens when you feed lemons to a cat? You get a sour puss" and other dialogue jokes.

That was summer.

By Marci McGill

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Forty-nine poems about life in the city and the moods and emotions of childhood.

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.