Gerald Brandt Books

The Operative

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The second installment in the San Angeles trilogy, a thrilling near-future cyberpunk sci-fi seriesKris Merrill was a survivor. She’d lost her parents as a young girl, and she’d been for...

Threader Origins

By Gerald Brandt

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This first book of a new sci-fi series introduces an alternate earth where powerful Threads have the power to alter reality as we know it.Pulled from his world by an experiment gone wrong, Darwin L...

Threader War

By Gerald Brandt

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This second book of a groundbreaking sci-fi series introduces an alternate earth where powerful Threads can alter reality as we know it.After almost a year, the gate between worlds has opened again...

Threader God

By Gerald Brandt

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The third and final book of the Quantum Empirica sci-fi series explores an alternate earth where powerful Threads have the power to alter reality as we know it.Scarred and disfigured, Darwin Lloyd...

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.