Christopher L. Harbo Books

Little Bo Peep flip-side rhymes

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"Color illustrations and simple text give the original Little Bo Peep nursery rhyme, along with a fractured version from the perspective of the sheep"--

Humpty Dumpty Flip Side Rhymes

By Danny Chatzikonstantinou, Christopher Harbo

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Little Miss Muffet Flip Side Rhymes

By Colin Jack, Christopher Harbo

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Little Bo Peep flip-side rhymes

By Christopher L. Harbo

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"Color illustrations and simple text give the original Little Bo Peep nursery rhyme, along with a fractured version from the perspective of the sheep"--

Little Bo Peep flip-side rhymes

By Christopher L. Harbo

Average: 0.00, 0 Ratings

"Color illustrations and simple text give the original Little Bo Peep nursery rhyme, along with a fractured version from the perspective of the sheep"--

Little Bo Peep Flip Side Rhymes

By Danny Chatzikonstantinou, Christopher Harbo

Average: 0.00, 0 Ratings

My first guide to paper airplanes

By Christopher L. Harbo

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"Step-by-step photo-illustrated instructions show how to fold a variety of simple paper airplanes"--

My first guide to paper airplanes

By Christopher L. Harbo

Average: 0.00, 0 Ratings

"Step-by-step photo-illustrated instructions show how to fold a variety of simple paper airplanes"--

Frankenstein s Monster and Scientific Methods

By Joanne Olson, Carlos Aon, Christopher L. Harbo

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Mundo Explosivo de Los Volcanes con Max Axiom Supercientifico

By LLC Strictly Spanish, Christopher L. Harbo, Tod Smith

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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.