Richard Spilsbury Books

Discusses how insects differ from other animals, their habitat, what they eat, how they are born and develop, how they reproduce, and their typical life expectancy.

Life Cycle of Fish

By Louise Spilsbury

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The life cycle of insects

By Richard Spilsbury

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Discusses how insects differ from other animals, their habitat, what they eat, how they are born and develop, how they reproduce, and their typical life expectancy.

Animal Groups

By Louise Spilsbury, Richard Spilsbury

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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.