Leonard A. Stevens Undifferentiated Books

Explorers of the brain
Neurons: building blocks of the brain
Neurons: building blocks of the brain

By Leonard A. Stevens Undifferentiated

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Traces the history of research on the nervous system and discusses what has been learned about the structure, function, and importance of neurons, or nerve cells.

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How a law is made
Salute! The case of the Bible vs. the flag
Equal!
Equal!

By Leonard A Stevens, Leonard A. Stevens Undifferentiated

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Traces the history of "Jim Crow" laws and the most important court decisions concerning them from 1896 to the present.

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Salute! The case of the Bible vs. the flag
Death penalty
The town that launders its water
The town that launders its water

By Leonard A. Stevens Undifferentiated

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Describes the experiment of Santee, California in water reuse covering such aspects as funding, construction of the purification plant, and gaining public acceptance.

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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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