Bruce Bjornstad Books

On The Trail Of The Ice Age Floods: A Geological Field Guide To The Mid-Columbia Basin

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During the last great Ice Age that ended some 15,000 years ago, the Pacific Northwest was repeatedly decimated by cataclysmic floods unlike anything of modern times. Giant ancient lakes such as Gla...

On The Trail Of The Ice Age Floods - Northern Reaches

By Bruce Bjornstad, Eugene Kiver, Bruce N. Bjornstad

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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.