Sandy Schofield Books

Collects three original Predator novels, continuing the classic franchiseCONCRETE JUNGLENew York City’s Detective Schaefer has seen it all, from domestic murders to drug-gang executions. But...

The Complete Aliens Omnibus: Volume Three (Rogue, Labyrinth)

By Sandy Schofield

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ROGUEby Sandy SchofieldWelcome to the former penal colony of Charon, where a labyrinth of underground tunnels offer shelter to an Alien hive. Professor Ernst Kleist rules—a paranoid tyrant wh...

Aliens Rogue

By Sandy Schofield

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Star Trek Deep Space Neuf tome 4

By Sandy Schofield

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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.