Roger Knights Books

The Alphabets spend a weekend on the farm doing chores and enjoying themselves. The main characters are letters which form words pertinent to the text.

The Alphabets go to school

By Roger Knights

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Animated letters enjoy a day of work and play at school, while spelling the words for the things they do there.

The Alphabets go shopping

By Roger Knights

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Animated letters go on a shopping trip, while spelling out the names of the things they buy.

The Alphabets go boating

By Roger Knights

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Animated letters try out different kinds of boats on the river, while spelling out the words for the things they do.

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.