Douglas Florian Books

The wonderful habits of rabbits

By Douglas Florian

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Join a family of rabbits as they have all kinds of fun throughout the day.

Once I was a pollywog

By Douglas Florian

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In this fun, rhyming story by award-winning author Douglas Florian, meet different baby animals and discover what they become when they grow up! The baby/adult pairs include: pollywog/frog; piglet/...

Bears are big

By Douglas Florian

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Discover animal opposites in this playful board book.

Flamingos fly

By Douglas Florian

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Discover what these animals do in this playful board book.

Play Play Play

By Christiane Engel, Douglas Florian

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The Wonderful Habits of Rabbits

By Douglas Florian, Sonia Sanchez

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A bird can fly

By Douglas Florian

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Describes activities that a bird, beaver, ant, tortoise, monkey, camel, and a fish can and cannot do.

New Calorie Fat and Nutrition Guide

By Douglas Florian

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People working

By Douglas Florian

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Vegetable Garden

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.