Jason Rekulak Books

The Writer s Block

By Jason Rekulak

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Bad Girls of Pulp Fiction Miniature Editions

By Thomas Campbell, Jason Rekulak, Nancy Armstrong

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The Impossible Fortress

By Jason Rekulak

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The impossible fortress

By Jason Rekulak

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Billy Marvin's first love was a computer. Then he met Mary Zelinsky. Do you remember your first love? The Impossible Fortress begins with a magazine...The year is 1987 and Playboy has just publishe...

The impossible fortress

By Jason Rekulak

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Let's Paint the '90s!

By Jason Rekulak

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The glory of grunge! The beauty of Baywatch! The awesome Arsenio Hall! Now all of your favorite ’90s moments and personalities have been assembled in a single book—and you can bring the...

Imkansiz Kale. Translated by Boran Evren.

By Jason Rekulak

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Figuras ocultas

By Ana Isabel Sanchez Diez, Jason Rekulak, Will Staehle, Doogie Horner

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La fortaleza imposible

By Jason Rekulak, Manuel Viciano Delibano

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Impossible Fortress

By Jason Rekulak

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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.