Helen Cunningham Books

The Business Style Handbook: An A-to-Z Guide for Writing on the Job with Tips from Communications Experts at the Fortune 500

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"Whether it's a quick e-mail, formal memo, or lengthy report, people in business are expected to express themselves in writing that is clear, concise and correct. And the skill and polish of your w...

Majolica figures

By Helen Cunningham

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Clarice Cliff and her contemporaries

By Helen Cunningham, Helen C. Cunningham

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A Dollar in Your Pocket

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A quarter in your piggy bank

By Helen Cunningham

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Guide to teaching children all about money, and how to handle it. Topics covered include: finding out where money comes from; piggy banks; allowances; allowance contracts; bank accounts; budgeting;...

Pam Naps: Band 01A Pink A

By Robyn Lever, Helen Cunningham, Collins Big Cat Staff, Tomislav Zlatic

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Handbook for the IB PYP

By Collins Big Cat, Helen Cunningham

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ADEC KG 1 Volume C

By Paul Shipton, Helen Cunningham, Shoo Rayner, Damien Harvey, Nick Arnold

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The Business Style Handbook, Second Edition: An A-to-Z Guide for Effective Writing on the Job

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What Do People Really Say

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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.