Carol Ellis Books

Mary-Kate & Ashley Sweet 16 11: Little White Lies

By Ilse Wagner, Carol Ellis

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Mary-Kate and Ashley realize there will be a big fat mess when their cousin's wedding is approaching.

The Case of the Big Scare Mountain Mystery

By Carol Ellis

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Mary-Kate and Ashley investigate the Ski Mountain legend involving a monster, a missing boy and giant footprints in the snow.

SUMMER TO SUMMER Heart to Heart No 2

By Carol Ellis

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A Kiss for Good Luck Two By Two Romance 11

By Carol Ellis

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Small town summer

By Carol Ellis

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Maggie is bored with life in her quiet home town until a special friend and an urban renewal project begin to affect her life.

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.