Julian May Undifferentiated Books

Describes the physical characteristics, life cycle, and history of the small whitetail deer of the Florida Keys that until recently were in danger of becoming extinct.

Black Trillium

By Marion Zimmer Bradley, Julian May Undifferentiated, Andre Norton

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Black Trillium

By Marion Zimmer Bradley, Julian May Undifferentiated, Andre Norton

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Perseus Spur

By Julian May Undifferentiated, Julian May

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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.