H Sign Books

The Cosmic Computer
The Cosmic Computer

By H. Beam Piper, H Sign

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Grapes of Wrath
Grapes of Wrath

By H Sign, Boyd Cable

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Barchester Tower
Barchester Tower

By Anthony Trollope, H Sign

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Chessmen of Mars
Chessmen of Mars

By Edgar Burroughs, H Sign

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Emerald City of Oz
Emerald City of Oz

By L. Baum, H. H Sign

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Related Articles from our Blog

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.

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