Christine Petersen Books

Yosemite Walk on the Wild Side The National Parks

By Christine Petersen

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Ecstasy

By Christine Petersen

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Provides comprehensive information on the dangers of ecstasy abuse.

Ecstasy

By Christine Petersen

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Provides comprehensive information on the dangers of ecstasy abuse.

LSD and other hallucinogens

By Christine Petersen

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Investigates the effects of the drug LSD on minds and bodies and offers arguments for why students should never start using it or any kind of hallucinatory drug.

LSD and other hallucinogens

By Christine Petersen

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Investigates the effects of the drug LSD on minds and bodies and offers arguments for why students should never start using it or any kind of hallucinatory drug.

The smart kid s guide to moving

By Christine Petersen

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"Explores what happens when a family decides to move and provides strategies for adjusting to a new home, neighborhood, and school."--

The smart kid s guide to losing a pet

By Christine Petersen

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"Discusses what happens when a pet dies, explores ways to remember a pet, and provides strategies for coping with grief."--

Trees

By Christine Petersen

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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.