Sheila Keenan Books

Jet plane

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Introduces young readers to the mechanical science of jet planes that recreates an airplane ride while explaining how powerful engines, specially designed wings, and cockpit controls work together...

Toilet

By David Macaulay

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Follows a tour of the bathroom and the sewer system, from the family toilets to municipal water treatment plants. Everybody knows what a toilet is for, but how does it work? This book explains the...

Toilet

By Macaulay David Keenan Sheila

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Eye

By David Macaulay

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Introduces young readers to the nature and structure of the eye and the process through which the eye and the brain work together to create vision.

Eye

By David Macaulay

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Introduces young readers to the nature and structure of the eye and the process through which the eye and the brain work together to create vision.

Castle

By David Macaulay

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Castle is lavishly reborn in digitally finished drawings rendered with felt-tip markers and colored pencils. Factual and artistic details shine in light of newly researched information. With charac...

Jet Plane

By David Macaulay, Sheila Keenan

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Eye

By David Macaulay, Sheila Keenan

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Toilet

By David Macaulay, Sheila Keenan

Average: 0.00, 0 Ratings

Toilet

By David Macaulay, Sheila Keenan

Average: 0.00, 0 Ratings

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.