Len Jenkin Books

The secret life of Billie's Uncle Myron

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Because her rock star parents fail to give her enough attention, eleven-year-old Billie stows away in Uncle Myron's Cadillac and joins him in fantastic travels.

Five of Us

By Len Jenkin Jenkin Len

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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.

Len Jenkin Books

New Jerusalem

The secret life of Billie's Uncle Myron

Five of Us

American Notes.

Ramona Quimby

Port Twilight

The Dream Express

The Invisible Man

American notes

Dark Ride

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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