Douglas Florian Books

Lizards, frogs, and polliwogs

By Douglas Florian

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Omnibeasts

By Douglas Florian

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Poem Depot: Aisles of Smiles

By Douglas Florian

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Dinothesaurus

By Douglas Florian

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Poem-mobiles

By Jeremy Holmes, Douglas Florian, J. Patrick Lewis

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This paperback picture book features fresh, quirky poems by two picture-book poetry veterans which explore practically every kid's favorite topic: CARS!The U.S. Children's Poet Laureate and an awar...

Insectlopedia

By Douglas Florian

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Poem Runs

By Douglas Florian

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Poem runs

By Douglas Florian

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Poem Runs

By Douglas Florian

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Bow Wow Meow Meow

By Douglas Florian

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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.