Marlene M. Robinson Books

Who knows this nose?

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Text and photos discuss the appearance and function of the noses of humans and a variety of animals, including pigs, sugar gliders, kiwis, and cheetahs.

What good is a tail?

By Marlene M. Robinson

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Text and photographs present the appearance and function of the tails of a variety of animals, including the white-tailed deer, rattlesnake, sand tiger shark, and peacock.

Crystals

By Marlene M. Robinson

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Who Knows This Nose

By Marlene M. Robinson

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The Crystal Kit

By Marlene M. Robinson

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Grow Your Own Crystals

By Marlene M. Robinson

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What Good Is a Tail

By Marlene M. Robinson

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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.