David Jefferis Books

Spider Killer Creatures

By Tony Allan, David Jefferis

Average: 0.00, 0 Ratings

Tiger Killer Creatures

By Anna Claybourne

Average: 0.00, 0 Ratings

Air sports

By David Jefferis

Average: 0.00, 0 Ratings

Provides information and stories on a range of extreme air sports including flying, hot air ballooning, skydiving, paragliding, hand gliding, skysurfing, aerobatics and air races. Includes activity...

All Terrain Biking

By David Jefferis

Average: 0.00, 0 Ratings

Water sports

By David Jefferis

Average: 0.00, 0 Ratings

Mountain Sports

By David Jefferis

Average: 0.00, 0 Ratings

Snow sports

By David Jefferis

Average: 0.00, 0 Ratings

Presents information and stories on a range of snow sports including ski jumping, freestyle, snowboarding, bobsleigh and luge. Includes activity. Suggested level: primary, intermediate.

Alligator Killer Creatures

By Tony Allan, David Jefferis

Average: 0.00, 0 Ratings

Snake Killer Creatures

By Tony Allan, David Jefferis

Average: 0.00, 0 Ratings

Spider Killer Creatures

By Tony Allan, David Jefferis

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.