Robert T. Ludlow Books

Building chicken coops for dummies

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Whether you have a small city lost, a suburban backyard, or a rural farm, this friendly guide gives you easy-to-follow and customizable plans for building a backyard chicken coop.

Building Chicken Coops for Dummies

By Todd Brock, Robert T. Ludlow, David Zook

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Gardening with Free Range Chickens for Dummies

By Bonnie Jo Manion, Robert T. Ludlow

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Gardening with Free Range Chickens for Dummies

By Bonnie Jo Manion, Robert T. Ludlow

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Gardening with Free Range Chickens for Dummies

By Bonnie Jo Manion, Robert T. Ludlow

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Chicken Health for Dummies

By Julie Gauthier, Robert T. Ludlow

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Chicken Health for Dummies

By Julie Gauthier, Robert T. Ludlow

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Chicken Health for Dummies

By Julie Gauthier, Robert T. Ludlow

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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.