Tracy Gunaratnam Books

Preposterous Rhinoceros

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Luckily, Preposterous Rhinoceros wants to do it... but how do you read a book? He asks all of his friends for tips but completely misinterprets what they mean.

Preposterous Rhinoceros

By Tracy Gunaratnam, Marta Costa

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Preposterous Rhinoceros

By Tracy Gunaratnam, Marta Costa

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Hamster Sitter Wanted

By Hannah Marks, Tracy Gunaratnam

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Hamster Sitter Wanted

By Hannah Marks, Tracy Gunaratnam

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Not My Hats

By Alea Marley, Tracy Gunaratnam

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Hamster Sitter Wanted

By Hannah Marks, Tracy Gunaratnam

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That s Preposterous Rhinoceros

By Tracy Gunaratnam, Marta Costa

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Not My Hats

By Alea Marley, Tracy Gunaratnam

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All I Want Is an Octopus

By Valentina Fontana, Tracy Gunaratnam

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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.