Lance Olsen Books

Masterwork Studies Series Lolita

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The crude details of Vladimir Nabokov's story Lolita are well known: The protagonist, Humbert Humbert, marries a widow in order to seduce her provocative teen-aged daughter, Lolita. He succeeds bey...

Field Guide to the Grizzly Bear

By Lance Olsen, Great Bear Foundation

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10

By Lance Olsen

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Hideous Beauties

By Lance Olsen, Andi Olsen

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The girl with red hair

By Lance Olsen, Walter M. Cummins, Thomas E. Kennedy

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Taierzhuang 1938 Stalingrad 1942

By Olsen Lance Historian

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Sharky Marky and the Big Race

By Lance Olsen

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Head in Flames

By Lance Olsen PH D

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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.