Anderson, Poul Books

The Shield of Time

By Poul Anderson

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The Time Patrol

By Poul Anderson

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Starfarers

By Poul Anderson

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The saga begins when evidence of an advanced civilization is discovered by SETI astronomers. "Trails" observed in the sky are thought to be from starships traveling at the speed of light, an enigma...

Flandry of Terra

By Poul Anderson

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Hrolf Kraki'S Saga

By Poul Anderson, Anderson, Poul

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A tale of battles, betrayals, revenge, magic, and monsters: The ancient legend of the fabled sixth-century Danish king, retold by an acclaimed master of science fiction and fantasy In the court of...

Fire Time

By Poul Anderson, Anderson, Poul

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In this science fiction classic, a recurring environmental disaster sets the native population of a distant planet at war with itself—and human colonists from Earth are trapped in the middle Fireti...

Dark sins, dark dreams: Crime in science fiction

By Anderson Poul, Silverberg Robert, Barry N. Pronzini Bill Editors, Westlake Donald E., Tenn William, Yarbro Chelsea Quinn Inter Alia Malzberg

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Operation Chaos

By Poul Anderson

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The Avatar

By Poul Anderson

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The Avatar

By Poul Anderson

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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.