Kurt Unkelbach Books

Those Lovable Retrievers

By Kurt Unkelbach

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Both Ends of the Leash: Selecting and Training Your Dog

By Kurt Unkelbach

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Both Ends of the Leash: Selecting and Training Your Dog

By Kurt Unkelabch

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Catnip : Selecting and training your cat

By Kurt Unkelbach

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Traces the history of cats and their position in various civilizations, describes the pure breeds, and gives suggestions for selecting and caring for a pet cat.

Catnip: Selecting & Training Your Cat

By Kurt Unkelbach

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The pleasures of dog ownership,

By Evie Unkelbach

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Tiger Up a Tree: Knowing and Training Your Kitten

By Kurt Unkelbach

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Discusses in story form the psychological and physical care of a kitten.

You're a Good Dog, Joe: Knowing and Training Your Puppy

By Kurt Unkelbach

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Directions for the proper care and obedience training a new puppy should receive.

How to bring up your pet dog

By Kurt Unkelbach

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Answers questions and gives practical advice to canine owners on every aspect of choosing, raising, and training a dog.

How to make money in dogs

By Kurt Unkelbach

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Advice for reaping some of the profits involved in the huge annual expenditure on dogs through such activities as walking, boarding, grooming, breeding, training, writing about, and photographing t...

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.