Timothy R. Gaffney Books

Grandpa takes me to the moon

Average: 0.00, 0 Ratings

A child whose grandfather was an astronaut always asks Grandpa for a bedtime story in which the two of them blast off for the moon together.

Kennedy Space Center

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

Describes the history and work of the John F. Kennedy Space Center located on Merritt Island on the east coast of Florida.

Edmund Hillary

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

A biography of Edmund Hillary, whose love of snow, mountains, and the outdoor life culminated in his conquering the highest peak in the world.

Jerrold Petrofsky

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

Discusses the achievements of a scientist at Wright State University who has learned to use electronic stimulation to help people paralyzed after spinal cord injuries recover enough to move and eve...

Chuck Yeager, first man to fly faster than sound

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

Surveys the life of the country boy from West Virginia who became a great pilot, ending his career as an Air Force brigadier general with more than 10,000 hours of flying time in some 180 different...

Grandpa takes me to the moon

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

A child whose grandfather was an astronaut always asks Grandpa for a bedtime story in which the two of them blast off for the moon together.

Grandpa takes me to the moon

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

A child whose grandfather was an astronaut always asks Grandpa for a bedtime story in which the two of them blast off for the moon together.

Air safety

By Timothy R. Gaffney

Average: 0.00, 0 Ratings

Traces the history of air safety, discussing air crashes, security, and the future of air safety.

Secret Spy Satellites

Average: 0.00, 0 Ratings

Hurricane Hunters Aircraft

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.