Ο Θωμάς Άλβα Έντισον, ο μάγος της επιστήμης και ο πατέρας του μηχανικού πολιτισμού, όπως τον αποκαλούσαν, έκανε πάρα πολλές εφευρέσεις και του απονεμήθηκαν περίπου δυόμιση χιλιάδες διπλώματα ευρεσιτεχνίας. Ανάμεσα στις εφευρέσεις του περιλαμβάνονται ο ηλεκτρικός λαμπτήρας, ο φωνόγραφος, ο τηλέγραφος κ.ά.
Tο βιβλίο περιέχει δραστηριότητες και παιχνίδια που βοηθούν τον μικρό αναγνώστη να εμπεδώσει βασικά στοιχεία της ιστορίας.
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