6Chapter 6: The Library of Alexandria
19Chapter 19: The Echoes of Tomorrow
7Chapter 7: The Wonders of Mesopotamia
20Chapter 20: The Song of the River
8Chapter 8: The Pharaoh’s Dilemma
21Chapter 21: The Call of the Horizon
9Chapter 9: The First Flight
22Chapter 22: The Light Beyond the Horizon
10Chapter 10: The Adventures of Leonardo
23Chapter 23: The Bridge Between Worlds
11Chapter 11: The Viking Voyage
24Chapter 24: The Path of the First Step
12Chapter 12: The Alchemist's Secret
25Chapter 25: The Bridge to Tomorrow
13Chapter 13: The Samurai’s Code
26END
