Kelly Doudna Books

Building the Panama Canal

By Kelly Doudna

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1 online resource (27 pages)

Cowboys Rough and Rowdy Riders History s Hotshots

By Kelly Doudna

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Ninjas

By Kelly Doudna

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Ninjas are known for their unorthodox warfare! Discover the origin of ninjas, their historical development, famous ninjas, key skills and traits, and details about weapons, training, and missions....

Big and small

By Kelly Doudna

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Simple rhymes point out the differences between big and small.

Long and short

By Kelly Doudna

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Simple rhymes point out the differences between long and short.

Near and far

By Kelly Doudna

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Simple rhymes point out the difference between near and far.

Wet and dry

By Kelly Doudna

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Simple rhymes point out the the difference between wet and dry.

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.