Jonah Black Books

The Black Book: Diary of a Teenage Stud, Vol. II: Stop, Don't Stop

By Jonah Black

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After a diving accident, Jonah wakes up in the hospital confused.

The Black Book Diary of a Teenage Stud , Vol. III: Run, Jonah, Run

By Jonah Black

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After breaking up with his best friend Posie so that he can date Sophie, a girl he has fantasized about since he got kicked out of boarding school, Jonah arranges to meet Sophie in Disney World.

The Black Book: Diary of a Teenage Stud, Vol. IV: Faster, Faster, Faster

By Jonah Black

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Jonah is ready to take his relationship with Posie to thenext level until his former girlfriend Sophie calls.

Black Book Diary of a Teenage Stud Girls Girls Girls Black Book Diary of a Teenage Stud

By Jonah Black

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Black Book Diary of a Teenage Stud Faster Faster Faster Black Book Diary of a Teenage Stud

By Jonah Black

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The Black Book Diary of a Teenage Stud Run Jonah Run Black Book Diary of a Teenage Stud

By Jonah Black

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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.