Annabel Johnson Books

Finders Keepers

By Annabel Johnson

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An Alien Music

By Annabel Johnson, Edgar Johnson

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The danger quotient

By Annabel Johnson

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A super-genius in a small underground colony of survivors of nuclear war, eighteen-year-old Casey risks journeying back to the twentieth century to discover why the survivors are dying and how he c...

The Danger Quotient

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The Grizzly

By Gilbert Riswold, Annabel Johnson, Edgar Johnson

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The Danger Quotient

By Annabel Johnson, Edgar

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Gamebuster

By Annabel Johnson, Edgar Johnson

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Overhearing what seems to be a bomb plot and discovering a dead body in the trunk of his car are only the beginnings of a dangerous adventure in which a high school senior rediscovers his father, a...

Finders, keepers

By Annabel Johnson

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A thirteen-year-old boy and his rebellious sister flee Denver following a catastrophic explosion at a nearby nuclear power plant, hoping to survive in the mountains.

An Alien Music

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I am Leaper

By Annabel Johnson

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Leaper, a kangaroo rat who can communicate with humans, enlists the aid of a boy named Julian to help defeat a "monster" that has been terrorizing the desert where she lives.

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.