John Koethe Books

The volume opens with twenty-one new poems, some of which have appeared in The New Yorker, American Poetry Review, the New Republic, the Paris Review, and the Kenyon Review, among other periodicals...

North point North

By John Koethe

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Domes.

By John Koethe

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Koethe

By John Koethe

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Poetry at one remove

By John Koethe

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Poetry at one remove

By John Koethe

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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.