Rhoda Blumberg Books

UFOs (First Book)

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UFO sightings are traced from earliest times to the present with explanations presented in terms of natural phenomena or military and scientific activities.

Sharks

By Rhoda Blumberg

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Introduces the physical characteristics, habits, and natural environment of different varieties of sharks.

Fire fighters

By Rhoda Blumberg

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Discusses fire fighting techniques and equipment and explains some different kinds of fires.

First Ladies

By Rhoda Blumberg

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Brief biographies of the women who have been First Ladies of the United States.

Famine

By Rhoda Blumberg

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Discusses famine, its causes, how new technology can be applied to food production, and how people throughout the world can cooperate to alleviate starvation.

Witches

By Rhoda Blumberg

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Describes witches and witchcraft in history and in fiction from ancient times up to the modern resurgence of the "witch business."

Southern Africa

By Rhoda Blumberg

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Explores the history, economy, social structure, and future prospects of these five southern African countries.

Monsters

By Rhoda Blumberg

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A humorous dictionary of real and imaginary monsters of the world throughout history.

The truth about dragons

By Rhoda Blumberg

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Discusses the physical appearance, size, habitat, diet, mating, habits, and enemies of western and eastern dragons and cures and charms concerning them.

The first travel guide to the Moon

By Rhoda Blumberg

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A detailed travel guide outlining travel arrangements, moon history, places of interest, and other pertinent information for lunar visitors.

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.