Janet Johnston Books

Ellie Brader hates Mr. G.

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Compared to nice Ms. Simpson, Mr. Garrett, Ellie's substitute teacher, seems mean and unfair, until his handling of several class crises changes Ellie's feelings towards him.

Ellie Brader Hates Mr. G.

By Janet Johnston

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Ellie Brader Hates Mr. G

By Joan Johnston

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A Safe Place to Grow

By Erin Moore, Bettina Gentner, Janet Ph.D. Johnston

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A Safe Place to Grow

By Erin Moore, Bettina Gentner, Janet Ph.D. Johnston

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English at Work

By Janet Johnston

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Safe Place to Grow

By Erin Moore, Bettina Gentner, Janet Johnston, Vivienne Roseby

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Kennett Square Golf and Country Club

By Susan Cramer, Jan Engle, Janet Johnston, Pat DeVitto, Leigh Hollander

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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.