Mark Teague Books

Detective LaRue

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While on vacation, Mrs. LaRue receives letters from her dog Ike who has been falsely accused of harming the neighbor's cats and is trying to clear his name.

LaRue for mayor

By Mark Teague

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With Mrs. LaRue injured and in the hospital, Ike decides to uphold justice and take the laws of Snort City into his own paws.

Detective LaRue Letters From the Investigation

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Dear Mrs.LaRue Letters from Obedience School

By Mark Teague

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Detective LaRue

By Mark Mark Teague Teague

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Dear Mrs Larue

By Mark Teague Illustrator Mark Teague

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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.