Martine Leavitt Books

Blue Mountain

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"Tuk, a bighorn sheep of the Canadian Rockies, leads his herd beyond the snares of man and the wiles of predators to the freedom of the Blue Mountain"--

Calvin

By Martine Leavitt

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Born on the day the last Calvin and Hobbes comic strip was published, seventeen-year-old Calvin, a schizophrenic, sees and has conversations with the tiger, Hobbes, and believes that if he can pers...

Prism Moon

By Martine Leavitt, Martine Bates

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Taker s Key

By Martine Leavitt, Martine Bates

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Tom Finder

By Martine Leavitt

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The Dragon s Tapestry Northern Lights Young Novels

By Martine Leavitt, Martine Bates

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Prism Moon

By Martine Bates

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The taker's key

By Martine Bates

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Sequel to The Dragon's tapestry and The Prism moon. Marvel's wizard's magic drains away, and she has difficulty casting even a simple spell to heal a garden. She must find the Key, the powerful tal...

The Dollmage Northern Lights Young Novels

By Martine Leavitt

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Tom Finder

By Martine Leavitt

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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.