Leonard Wolf Books

Dracula

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In the 100 years since its publication, Bram Stoker's Dracula has never been out of print. Once introduced to the world by the silent film classic Nosferatu in 1921, Dracula became an enduring ico...

Dracula

By Jeffrey Meyers, Leonard Wolf, Bram Stoker

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Monsters

By Leonard Wolf

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Brief description and history of twenty mythical beasts and other creatures such as the unicorn, centaur, griffin, Golem, Dracula, the Jabberwock, and Medusa.

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.