ISBN 4-06-255071-7 US Publication: 3/2007, Tokyo Pop ISBN 1-59816-946-7 as The Twelve Kingdoms: Sea of Shadow
Black Sea | Mediterranean Sea | Baltic Sea | North Sea | Red Sea | Caspian Sea | Caribbean Sea | Adriatic Sea | Romance of the Three Kingdoms | Aegean Sea | South China Sea | Sea of Japan | Three Kingdoms | Irish Sea | Westland Sea King | Dead Sea | Arabian Sea | Tyrrhenian Sea | Southend-on-Sea | East China Sea | Ionian Sea | Twelve O'Clock High | Bering Sea | White Sea | Ocean's Twelve | Kara Sea | First Sea Lord | The White Shadow | Robotech: The Shadow Chronicles | Manly-Warringah Sea Eagles |
ISBN 4-06-255114-4 US Publication: 3/2008, Tokyo Pop ISBN 978-1-59816-947-8 as The Twelve Kingdoms: Sea of Wind
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ISBN 4-06-255168-3 US Publication: 3/2009, Tokyo Pop ISBN 978-1-59816-948-5 as The Twelve Kingdoms: The Vast Spread of the Seas
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ISBN 4-06-255175-6 US Publication: 3/2010, Tokyo Pop ISBN 978-1-59816-949-2 as The Twelve Kingdoms: Skies of Dawn