Douglas Florian Books

In the Swim
In the Swim

By Douglas Florian

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Insectlopedia
Insectlopedia

By Douglas Florian

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Discovering butterflies
Discovering butterflies

By Douglas Florian

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Describes the structure, life cycle, and behavior of butterflies and depicts different species found in North America, Africa, and South America.

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Discovering trees
Discovering trees

By Douglas Florian

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An introduction to trees, their growth, reproduction, usefulness, and some specific kinds.

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Discovering frogs
Discovering frogs

By Douglas Florian

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Discusses the development and behavior of frogs and introduces several varieties.

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DISCOVERING SEASHELLS
DISCOVERING SEASHELLS

By Flora.

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Selective Music Lists 1979 Instrumental Solos and Ensembles
A winter day
A winter day

By Douglas Florian

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A family enjoys a winter day of relaxation and fun.

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A winter day
A winter day

By Douglas Florian

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A family enjoys a winter day of relaxation and fun.

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A summer day
A summer day

By Douglas Florian

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A family takes a trip to the country and enjoys a summer day of relaxation and fun.

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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.

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