William Darrach Halsey Books

Macmillan Contemporary Dictionary

By MacMillan Publishers

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Beginning Dictionary

By Christopher G. Morris, William Darrach Halsey

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A dictionary designed for student use through twelfth grade providing definitions, pronunciation guides, and parts of speech for over 30,000 entries.

Dictionary Macmillan

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Phrases and sentences illustrate the various definitions of 90,000 entries in this student dictionary reflecting current American usage.

Macmillan school dictionary

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A student dictionary reflecting current American usage of 65,000 entries defined by phrases, sentences, and illustrations.

Entries, presented as solid words without syllable separation, are followed by definitions and a sentence demonstrating usage. Plural nouns, verb tenses, and other forms of words are spelled out at...

Intermediate Dictionary

By William Darrach Halsey, Scribner Educational Publishers

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A student dictionary reflecting current American usage of 65,000 entries defined by phrases, sentences, and illustrations.

Magic World of Words

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An alphabetical list of 1500 common words with meanings, explanatory sentences, and illustrations for those words considered "conceptual."

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.