William Longyard Books

A Speck on the Sea: Epic Voyages in the Most Improbable Vessels

Average: 0.00, 0 Ratings

Throughout history, the bold, the desperate, and the foolhardy have dared the wide oceans in the tiniest of boats The unique and wonderful A Speck on the Sea looks back half a millennium to chronic...

A Speck on the Sea

By William Longyard

Average: 0.00, 0 Ratings

Who's who in aviation history

By William H. Longyard

Average: 0.00, 0 Ratings

Sheet Metal Fab for Car Builders

By William H. Longyard

Average: 0.00, 0 Ratings

Power Hammers

By William Longyard

Average: 0.00, 0 Ratings

Power Hammers

By William Longyard

Average: 0.00, 0 Ratings

A Speck on the Sea

Average: 0.00, 0 Ratings

Composite Materials

By William Longyard, John Wanberg

Average: 0.00, 0 Ratings

Learning The English Wheel

Average: 0.00, 0 Ratings

Who's who in aviation history

By William H. Longyard

Average: 0.00, 0 Ratings

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.