Chris Ollerenshaw Books

Gears Toybox Science

By Chris Ollerenshaw, Pat Triggs

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Electricity

By Chris Ollerenshaw

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A simple introduction to electricity which looks at conductors, circuits, and switches, accompanied by experiments and activities. Suggested level: primary, intermediate.

Levers

By Chris Ollerenshaw

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Electricity Toybox Science

By Chris Ollerenshaw, Pat Triggs

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Gears Toybox Science

By Chris Ollerenshaw, Pat Triggs

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Levers Toybox Science

By Chris Ollerenshaw, Pat Triggs

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Wind ups Toybox Science

By Chris Ollerenshaw, Pat Triggs

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Toy Box Science

By Chris Ollerenshaw, Pat Triggs

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Electricity

By Chris Ollerenshaw

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Gears

By Chris Ollerenshaw

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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.