Carolyn E. Mueller Books

Dizzy Dean and the Gashouse Gang

By Illustrated By Ed Koehler, Carolyn Mueller

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St. Louis Boo

By Illustrated By Chris Sharp, Carolyn Mueller

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Missouri Almanac

By Amanda E. Doyle, Traci Angel, Andrea Sumy, John Brown, Carolyn Mueller

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Lily

By Carolyn E. Mueller

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Recounts the heroic efforts of the search-and-rescue Weimaraner named Lily, whose bravery was put to the test on the night of May 22, 2011, when a category F-5 tornado hit the town of Joplin, Misso...

Lily

By Carolyn Mueller Kelly

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Happy Birthday St. Louis

By Illustrated By Ed Koehler Carolyn E. Mueller

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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.