William C. MacKay Books

Presidential trivia quiz book
Tolkien trivia quiz book
American History Trivia Quiz Book Trivial Truths
Envisioning Art
Envisioning Art

By

Average: 0.00, 0 Ratings

Read More
White House Wisdom Words of Wisdom A Book of Presidential Quotes
Tolkien trivia
Tolkien trivia

By MacKay William C. Trivia Writer

Average: 0.00, 0 Ratings

Test your knowledge by answering fun trivia questions covering everything from Tolkien's early life to The hobbit and The fellowship of the ring.

Read More
Tolkien trivia
Tolkien trivia

By MacKay William C. Trivia Writer

Average: 0.00, 0 Ratings

Test your knowledge by answering fun trivia questions covering everything from Tolkien's early life to The hobbit and The fellowship of the ring.

Read More
1 001 Trivia Questions
The United States of trivia
United States of Trivia

Related Articles from our Blog

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.

Read More