Michael E. Roloff Books

Demian: The Story Of Emil Sinclair'S Youth

By Michael E. Roloff, Michael Lebeck, Michael Roloff, Hermann Hesse, Thomas Mann

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Emil Sinclair is a young boy raised in a bourgeois home, amidst what is described as a Scheinwelt, a play on words that means "world of light" as well as "world of illusion". Emil's entire existenc...

The Between people study-activity guide

By Michael E Roloff

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Communication Yearbook

By Michael E. Roloff

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Communication Yearbook 22

By Michael E. Roloff

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Communication Yearbook

By Michael E. Roloff

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Persuasion

By Michael E. Roloff, Gerald R. Miller

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Persuasion

By Michael E. Roloff, Gerald R. Miller

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Interpersonal Communication: The Social Exchange Approach

By Michael E. Roloff, Roloff, Michael E.

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Michael E. Roloff. Bibliography: P. 137-149.

Interpersonal communication

By Michael E. Roloff

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Social cognition and communication

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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.