Susannah O. MacKay Books

Excellent English 1 Student Book With Audio Highlights CD

By Marta Pitt, Kristin D. Sherman, Jan Forstrom, Susannah MacKay, Shirley Velasco, Jan Forstrom, Susannah MacKay, Marta Pitt, Kristin Sherman, Mari Vargo, Shirley Velasco, Susannah O. MacKay, Laurie Blass, Jennifer Wilson Cooper, Susannah MacKay, Kristin D. Sherman, Jan Forstrom, Marta Pitt, Shirley Velasco

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Excellent English equips students with the grammar and skills they need to access community resources, while developing the foundation for long-term career and academic success. Excellent English i...

Excellent English 1 Student Book W/ Audio Highlights

By Marta Pitt, Jan Forstrom, Kristin Sherman, Susannah MacKay, Shirley Velasco, Susannah O. MacKay, Laurie Blass, Jennifer Wilson Cooper, Susannah MacKay, Kristin D. Sherman, Jan Forstrom, Marta Pitt, Shirley Velasco

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Excellent English, Level 1: Language Skills For Success, Teacher'S Edition

By Kristin D. Sherman, Susannah O. MacKay

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Excellent English - Level 2 (High Beginning) - Student Book

By Marta Pitt, Jan Forstrom, Kristin Sherman, Susannah MacKay, Shirley Velasco, Mari Vargo, Susannah O. MacKay, Forstrom,Jan, MacKay,Susannah, Pitt,Marta, Sherman,Kristin, Vargo,Mari, Velasco,Shirley

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Excellent English, Level 1: Language Skills For Success

By Marta Pitt, Kristin D. Sherman, Jan Forstrom, Susannah MacKay, Shirley Velasco, Janet Podnecky, Susannah O. MacKay

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Excellent English 1 Interactive Multimedia Program

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Excellent English 1 Color Overhead Transparencies

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Excellent English: Language Skills For Success, Vol. 1

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Excellent English Level 1 Beginning Stud

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Excellent English Level 1 Student Book with Audio Highlights and Workbook Audio CD Pack

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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.