After a cataclysmic flood submerges the world's cities, scientist Sam Saphire and his young son board a refugee convoy to cross a treacherous ocean-driven by the hope that the rest of their family may still be alive.As civilization collapses and new societies emerge on the water, Sam must navigate not only the dangers of the open sea, but the emotional weight of loss, responsibility, and love. The ocean becomes both enemy and teacher, forcing hard choices that will shape the future of his family.Ocean Earth is a character-driven, post-apocalyptic science-fiction novel about survival, resilience, and the bonds that endure when the world does not.