Robert A. Heinlein Books

Waldo and Magic, Inc.

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Waldo: North Power-Air was in trouble. Their aircraft had begun to crash at an alarming rate, and no one could figure out what was going wrong. Desperate for an answer, they turned to Waldo, the cr...

The door into summer

By Robert A. Heinlein

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The Green Hills of Earth

By Robert A. Heinlein

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The Red Planet

By Robert A. Heinlein

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Farmer in the Sky

By Robert A. Heinlein

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Starship Troopers

By Robert A. Heinlein

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The Moon is a Harsh Mistress

By Robert A. Heinlein

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Stranger in a Strange Land

By Robert A. Heinlein

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Stranger in a Strange Land

By Robert A. Heinlein

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Red Planet

By Robert A. Heinlein

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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.