Cathy Hopkins Books

The Princess of Pop Truth or Dare

By Cathy Hopkins

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White lies and barefaced truths

By Cathy Hopkins

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The game of truth or dare puts Cat in a position where she does not want to tell a truth which will hurt her boyfriend.

Teen Queens and Has Beens Truth Or Dare

By Cathy Hopkins

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Starstruck

By Cathy Hopkins

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Squidge is over the moon-he has just started going out with the beautiful Lia. And when Lia challenges him to a game of truth or dare, Squidge promises her that he will always be open and honest. b...

Mates dates and great escapes

By Cathy Hopkins

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Lucy goes to Italy in order to escape Tony's attempt to take their relationship farther. In Italy, she meets an American boy whom she likes more than Tony.

Mates dates and chocolate cheats

By Cathy Hopkins

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Having gained eight pounds since Christmas and been unable to lose it, Izzie tries every diet, exercise program, and bit of advice to shed the pounds. In the meantime, nothing else matters--not her...

Mates dates and diamond destiny

By Cathy Hopkins

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Nesta falls in love with William and gets involved in charity work, which opens her eyes to the problems of the world.

Mates dates and sizzling summers

By Cathy Hopkins

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While being torn between two very different boys--Ollie and her old flame Luke--TJ calls upon her best friends for support when someone close to her becomes seriously ill.

Principles of Aromatherapy

By Cathy Hopkins

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Star child

By Cathy Hopkins

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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.