Leo Hartas Books

This old house
This old house

By Leo Hartas

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Haunted Castle
Haunted Castle

By Leo Hartas

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Gran Turismo 4
Gran Turismo 4

By Prima Games

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The apartment book
The apartment book

By Leo Hartas

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Illustrates a day in the life of an apartment building by showing activities going on in different units at various times between 7:00 a.m. and 1:00 a.m.

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Space explorer atlas
Space explorer atlas

By Richard Platt

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Rocket enthusiast Norbert and amateur astronomer Izzy learn about the sun, planets, and moons on a tour of the solar system.

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Mirabilis
Mirabilis

By Leo Hartas Dave Morris

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Game Guru
Game Guru

By Dave Morris, Leo Hartas

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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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