Joan Hanson Books

Alfred Snood.

By Joan Hanson

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A little boy describes the mischievous activities of his imaginary friend, Alfred Snood.

Alfred Snood.

By Joan Hanson

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A little boy describes the mischievous activities of his imaginary friend, Alfred Snood.

Antonyms hot and cold and other words that are different as night and day.

By Joan Hanson

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Pictures on facing pages reflect the opposite meanings of the antonyms given.

Homonyms hair and hare and other words that sound the same but look as different as bear and bare.

By Joan Hanson

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Introduces words that sound the same but have different meanings.

Homographs bow and bow and other words that look the same but sound as different as sow and sow.

By Joan Hanson

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Introduces words that look but do not sound the same.

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.