Peter Cottrill Books

The Blob Chillers

By Tessa Potter

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Heracles and the terrible tasks

By Peter Cottrill

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Retelling of the Greek myth in which Heracles becomes the king's slave and to earn his freedom must complete twelve difficult tasks. Includes two puzzles intended to test reading comprehension. Sug...

Heracles and the terrible tasks

By Peter Cottrill

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Zartan

By Nick Warburton

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Saving Grace

By Nick Warburton

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Rolf

By Peter Cottrill

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Anteater on the stairs

By Peter Cottrill

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Joe, a new neighbor, tells Sophie stories about his fabulous pets but doesn't listen when she tells about her pet Snowy, a polar bear.

Worzel Gummidge

By Barbara Euphan Todd, Peter Cottrill

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Oxford Reading Tree All Stars

By Carolyn Bear, Alison Sage, Peter Cottrill

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In at the Deep End

By Michelle Magorian, Peter Cottrill

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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.