Roc Olive Books

Dinosaurios
Dinosaurios

By Roc Olive

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"Durante más de un siglo, los dinosaurios han fascinado tanto a científicos como al público en general, jóvenes y adultos. La palabra 'dinosaurio' significa 'lagarto terrible' y sintetiza la impres...

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Dinosaures
Dinosaures

By Roc Olive

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Guia dels animals
Guia dels animals

By Roc Olive

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La Catalunya prehistorica
Birds of the Mesozoic
Guia de Los Animales
Guia de Los Animales

By Roc Olive

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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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