Brooks Hansen Books

A vivid, moving, and unprecedented biographical saga of John the Baptist. Traditionally, John the Baptist is seen as little more than an opening act—"the voice crying in the wilderness"—...

Perlman's ordeal

By Brooks Hansen

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"One evening in London in 1906, Dr. August Perlman - music lover, hashish devotee, and pioneer of "clinical suggestion" - is about to leave for the symphony when a teenage girl is brought to his of...

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.