Jean F. Blashfield Books

The final bug

By Jean F. Blashfield

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Leonard Bernstein

By Jean F. Blashfield

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Shirley Temple Black

By Jean F. Blashfield

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Blitzkrieg

By Wallace B. Black

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Describes the course of World War II from Hitler's invasion of Poland up to the fall of Paris and the German occupation of France.

Battle of Britain

By Wallace B. Black

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Describes the three-month German bombing of Great Britain in 1940 by the Luftwaffe, the errors made by the Germans, and the courage of the British flyers and the public.

America prepares for war

By Wallace B. Black

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Describes how and to what extent the United States was involved in World War II, including military preparation before the United States actually declared war.

Pearl Harbor!

By Wallace B. Black

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Details the anatomy of the shocking raid on the U.S. Navy's Pacific fleet that put America at war with Japan. Recounts Japanese strategy and tactics, and focuses on the reasons for the Americans' s...

Russia at war

By Wallace B. Black

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Describes Hitler's invasion of Russia in 1941 and the Soviet defense and ultimate victory.

Battle of the Atlantic

By Wallace B. Black

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An account of the struggle by Allied forces to keep the North Atlantic free of German U-boats during World War II.

Guadalcanal

By Wallace B. Black

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Describes the World War II battle between the Japanese and American forces for control of the strategic island of Guadalcanal.

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.