T. T. MacDangereuse Books

The untamed scoundrel

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When Sir Jacobus Gooddog meets Lady Rainicorn at a ball, he and his loyal manservant must set sail to rescue her from an evil witch so that he and Lady Rainicorn can be married.

The Lonesome outlaw

By MacDangereuse T. T. Fictitious Character

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"The third novel in the Epic Tales from Adventure Time series takes the adventure to the Wild West and stars Marceline as a notorious outlaw on the run. The series, based on an idea from Adventure...

Epic Tales from Adventure Time

By T. T. MacDangereuse

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Lonesome Outlaw

By T. T. MacDangereuse

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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.