Erfan Fajar Books

Dragon resurrection

By Lyan Zhang, Erfan Fajar, Lin Zhang, Bagus Hutomo, Vosa Wang, Mark Byers

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Dragons are real. Or at least they were. Discovering the remains of an actual dragon frozen in the mountains of Tibet, Chinese adventurer Jesse Chang sends a DNA sample to her geneticist twin broth...

Star Trek Volume 7

By Mike Johnson

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War breaks out across the stars as the Klingon and Romulan Empires fight for supremacy, with the crew of the Enterprise caught in the middle! Don't miss this epic, all-new story set after the...

Star Trek Volume 8

By Mike Johnson

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After the events of Star Trek Into Darkness, the U.S.S. Enterprise has embarked on a five-year journey of exploration into uncharted space, meeting the crew of a second Enterprise in “Paralle...

Star Trek: New Adventures Volume 2

By Mike Johnson

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The New Adventures of the Starship Enterprise continue with stories focusing on the new crew in the new timeline that takes place between the first and second movies plus the story "After Darkness,...

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.