Jerry E. Jennings Books

Inquiring about freedom

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Discusses personal, political, religious, and economic freedom in the United States, historically and in the present day.

The United States

By Jerry E. Jennings

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A social studies textbook for the upper elementary grades describing the geography, history, people, culture, and economy of the United States.

The United States

By Jerry E. Jennings

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A social studies textbook for the upper elementary grades describing the geography, history, people, culture, and economy of the United States.

Great Americans and great ideas

By Jerry E. Jennings

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Presents biographies of 13 Americans and discusses "ideas," such as freedom, cooperation, education, and division of labor, upon which America was founded.

The South

By Jerry E. Jennings

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A social studies textbook introducing the land, history, people, agriculture, and industry of the 11 southern states.

The West

By Jerry E. Jennings

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A social studies textbook for elementary grades discussing the eleven states that comprise the western United States.

China

By Jerry E. Jennings

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The United States

By Jerry E. Jennings

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A social studies textbook for the upper elementary grades describing the geography, history, people, culture, and economy of the United States.

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.