Mary L. Dennis Books

Success without college

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Includes the fields of professional stylist; nail technician; skin esthetician; massage therapist; makeup artist; cosmetics manufacturer's representative; day spa employee; permanent cosmetic techn...

Creative Writing TAP instructional materials

By Dorothy Tate, Joette Burke, Mary L. Dennis, Betty Sage Smith, Brigid O Donoghue

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Lord of the Flies Student Packet

By Novel Units Inc.

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Tale of Two Cities Teacher Guide

By Kathleen Millin, Mary L. Dennis

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This time-saving, easy-to-use teacher guide includes inspiring lesson plans which provide a comprehensive novel unit -- the legwork is done for you! The guide incorporates essential reading, writin...

Macbeth Teacher Guide

By Novel Units Inc., Mary L. Mil Dennis

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Macbeth Student Packet

By Novel Units Inc.

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Golden Goblet

By Mary L. Dennis, Eloise Jarvis McGraw

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I Know Why the Caged Bird Sings Student Packet

By Novel Units Inc.

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Les Miserables

By Gloria Levine, Victor Hugo, Mary L. Dennis

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The stranger by Albert Camus

By Mary L Dennis

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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.