Leonard Engel Books

Junior pictorial encyclopedia of science.

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Includes alphabetically arranged articles on a variety of scientific topics illustrated with photographs.

The sea

By Leonard Engel

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Sea

By Leonard Engel

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The Sea

By Leonard Engel

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The Big Empty

By Leonard Engel

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"Dismissed by critics and vilified for his violent vision of the American West as presented in films such as The Wild Bunch and Pat Garrett and Billy the Kid, the artistry of Sam Peckinpah's work w...

Clint Eastwood Actor and Director

By Leonard Engel

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Sea

By Leonard Engel

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World Aflame The Russian American War of 1950

By Leonard Engel, Emanuel A. Piller

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A divided conscience

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"These essays examine in-depth Burke's technique and themes, including the devastating effects of war; the complex dimensions of justice as they intersect with race and class; and the need for rede...

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.