Bob Kerr Books

The Optimist
The Optimist

By Bob Kerr

Average: 0.00, 0 Ratings

Read More
Mathematics Tennessee Daily Practice TCAP Test Prep
Terry and the Last Moa
Ben s banana Foundations
Ben s banana Foundations

By Bob Kerr

Average: 0.00, 0 Ratings

Read More
Mechanical Harry and the flying bicycle
Mechanical Harry and the flying bicycle

By Bob Kerr

Average: 0.00, 0 Ratings

When he receives a call from his grandmother asking him to come over to chop wood for her, an inventive young boy begins a series of adventures that test his mechanical know-how.

Read More
Mechanical Harry
Mechanical Harry

By Bob Kerr

Average: 0.00, 0 Ratings

Illustrates the laws of motion which had been formulated by Isaac Newton, the seventeenth-century English scientist.

Read More
The paper war
The paper war

By Bob Kerr

Average: 0.00, 0 Ratings

Read More
The day of the snow
The day of the snow

By Joy Cowley

Average: 0.00, 0 Ratings

Read More
Writing 4 8
Writing 4 8

By Bob Kerr

Average: 0.00, 0 Ratings

Read More
Grammar Writing Skills Practice and Apply

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