Wen Spencer Books

Wolf Who Rules The Tinker Series

By Wen Spencer

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Eight million gods

By Wen Spencer

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"A contemporary fantasy of mystery and death as American expats battle Japanese gods and monsters to retrieve an ancient artifact that can destroy the world"--

The Black Wolves of Boston

By Wen Spencer

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463 pages : 25 cm

Wolf Who Rules

By Tanya Eby, Wen Spencer

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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.