Carol Ellis Books

Going strong

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When Robinson Ladd joins the squad without trying out, the six cheerleaders are outraged. It's obvious Rob can't cheer to save his life. But why does the coach beg the cheerleaders to accept Rob? A...

The Cuckoo Clock of Doom

By Carol Matas, Robert Lawrence Stine, Billy Brown, Carol Ellis, Dan Angel

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My Secret Admirer

By Carol Ellis

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The headless ghost

By Robert Lawrence Stine, Billy Brown, Carol Ellis, Dan Angel

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Bad Hare Day

By Robert Lawrence Stine, Carol Ellis, Charles Lazer

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There s a Troll in My Popcorn

By Carol Ellis

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The Body

By Carol Ellis

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Case of the Camp Crooked Lake

By Carol Ellis

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Case of the Big Scare Mountain Mystery

By Carol Ellis

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Case of the Green Ghost

By Carol Ellis

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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.