William G. Holder Books

Skylab: pioneer space station

Average: 0.00, 0 Ratings

Follows the progress of the Skylab project from the preliminary planning and construction of the laboratory through the experiments, launches, and experiences of the nine astronauts living and work...

Skylab: pioneer space station

By William G. Holder

Average: 0.00, 0 Ratings

Saturn V, the moon rocket

By William G. Holder

Average: 0.00, 0 Ratings

Describes the planning, building, and testing of the Saturn V rocket designed to boost a manned Apollo spacecraft to the moon.

Monster Trucks

By Bill Holder

Average: 0.00, 0 Ratings

Camaro Enthusiast Color

By Bill Holder, William G. Holder

Average: 0.00, 0 Ratings

Buick muscle cars

By William G. Holder

Average: 0.00, 0 Ratings

GTO Enthusiast Color

By Bill Holder, Phillip Kunz, William G. Holder

Average: 0.00, 0 Ratings

Chevelle Enthusiast Color

By Bill Holder, Phillip Kunz, William G. Holder

Average: 0.00, 0 Ratings

Firebird and Trans Am Enthusiast Color

By Bill Holder, William G. Holder

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.