Jeff Cummins Books

Colour Me Crazy

By Jeff Cummins, Andrew Donkin, Donkin, Andrew, Anderson, Julie

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A series of stories for children who are beginning to enjoy reading alone. Kevin's town is the most boring place on earth until the Spectrums arrive to brighten it up. But when their crazy colour s...

Doctor Who And The Talons Of Weng-Chiang

By Robert Holmes, British Broadcasting Corporation., Jeff Cummins, Terrance Dicks

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n this feature-length adventure set deep in the darkest heart of Victorian London, the Doctor and Leela are confronted by a series of bizarre and horrific events.An innocent cabbie is viciously sla...

Colour Jets: Footprints Mystery

By Jeff Cummins, Andrew Donkin, Donkin, Andrew, Cummins, Jeff

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64 pages : 21 cm Strange footprints start appearing all over town and Tom is determined to find out who or what is making them. Unfortunately, so is Rupert Smugg - a professional tracker who lives...

Colour Jets: Cosmic Kev

By Jeff Cummins, Andrew Donkin

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Boom And Bust: The Politics Of The California Budget

By Jeff Cummins

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California: The Politics Of Diversity

By Jeff Cummins, David G. Lawrence, Lawrence, David G., 1944- Author, Cummins, Jeffrey Author

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xv, 303 pages : 23 cm Includes bibliographical references and index Exploring California politics -- California's political development -- Constitutionalism and federalism: the perimeters of Califo...

Guess What Dinah Saw?

By Jeff Cummins

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Cosmic Kev

By Jeff Cummins, Andrew Donkin

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When Kevin tells his class he's seen a UFO he's immediately branded the school nut. But, before he can start to prove its existence, extraterrestrial life finds him.

Cars, Boats, Trains And Planes

By Jeff Cummins

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Gertie And The Bloop

By Julie Jarman, Julia Jarman, Jeff Cummins

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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.