David Rob Comic Book Writer Books

He Man and the Masters of the Universe

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"She-Ra has the power! One thousand years ago, when Hordak first invaded Eternia, King Grayskull forged the mighty Sword of Power in the very fires of Eternity. The magic weapon defeated the monstr...

He Man the eternity war

By David Rob Comic Book Writer

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"The war to end all wars has begun in Eternia! Hordak and the villainous Dark Horde have taken over Castle Grayskull and plan to use it as a weapon to terrorize and rule the universe. However, a re...

He Man the eternity war

By David Rob Comic Book Writer

Average: 0.00, 0 Ratings

"As the Eternity War rages, Skeletor's past is brought to light. He-Man and She-Ra must find a way to halt his growing threat and fight for a peaceful future even as they are faced with Teela's fea...

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.