Seth Friedman Books

Are You Watching Closely

By Seth Friedman

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Manga origami

By Marcio Noguchi

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"Origami masters Marcio Hideshi Noguchi and Seth Friedman show everything you need to know to create adorable paper characters from your favorite manga/anime stories with basic origami folding inst...

Pilgrim

By Seth Friedman

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Telecom Terror

By Seth Friedman

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Telecom Terror

By Seth Friedman

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Are You Watching Closely

By Seth Friedman

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Noah s Ark Origami

By Seth Friedman

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Origami Aircraft

By Marc Kirchenbaum, Jason Ku, Daniel Robinson, Seth Friedman

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Noah s Ark Origami

By Seth Friedman

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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.