Brian P. Cleary Books

Straight and curvy meek and nervy

By Brian P. Cleary

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An introduction to antonyms.

But and For Yet and Nor

By Brian P. Cleary

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Pre and re mis and dis

By Brian P. Cleary

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Uses humorous rhyming text and colorful illustrations to explain the concept of prefixes and show how they affect words and their meanings. Playful rhymes and humorous illustrations present the co...

A bat cannot bat a stair cannot stare

By Brian P. Cleary

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They re there on their vacation

By Brian P. Cleary

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Meet the Huckabee's. They're going on vacation. But not an ordinary vacation. They always choose the wackiest, weirdest destinations for their family trips. This year their stops include visits to...

The action of subtraction

By Brian P. Cleary

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Lazily Crazily Just a Bit Nasally

By Brian P. Cleary

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The Laugh Stand

By Brian P. Cleary

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On the scale

By Brian P. Cleary

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Introduces essential measurement units, from grams to pounds to tons.

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.