John Grefe Books

The best of Lone Pine
Queen's Indian defense
Queen's Indian defense

By

Average: 0.00, 0 Ratings

Read More
Center Counter
Center Counter

By Jeremy Silman, John Grefe

Average: 0.00, 0 Ratings

Read More
Offbeat Sicilian
Offbeat Sicilian

By John Grefe

Average: 0.00, 0 Ratings

Read More
Progressing through chess
Progressing through chess

By John Grefe

Average: 0.00, 0 Ratings

Read More
Queen s Indian defence
Queen s Indian defence

By John Grefe

Average: 0.00, 0 Ratings

Read More
Mastering the Chess Openings
Mastering the Chess Openings

By John Grefe

Average: 0.00, 0 Ratings

Read More
Best of Lone Pine

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