Mark Roberge Books

Generation 1.5 in college composition

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Teaching U.S. Educated Multilingual Writers

By Margi Wald, Mark Roberge, Kay M. Losey

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Generation 1.5 in College Composition

By Harklau

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Generation 1.5 in College Composition

By Harklau

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The sales acceleration formula

By Roberge Mark Sales Executive

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"Use data, technology, and inbound selling to build a remarkable team and accelerate sales The Sales Acceleration Formula provides a scalable, predictable approach to growing revenue and building a...

Informed Choices

By Tara Lockhart, Mark Roberge

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The Sales Acceleration Formula

By Mark Roberge, Robert Feifar

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Sales Acceleration Formula

By Mark Roberge

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Sales Acceleration Formula

By Mark Roberge

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Generation 1. 5 in College Composition

By Mark Roberge, Linda Harklau, Meryl Siegal

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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.