Falk, Nick

"On the Night of the Oni, a curse is triggered, and the samurai and the ninja tumble into battle once again! The samurai have been given the honor of protecting Lord Kaba-Sama from the frightful oni. But when the ninja play a cheeky trick, Kaba-Sama's greatest fear comes true--the oni is released. Only the bravest warrior can save them now"--Back cover.

"... In the Edo period of Japan, two teams fight for supremacy--the serious samurai and the scheming ninja. To determine who is the best, a deadly contest is held. The prize is the Golden Egg, the most magnificent treasure in all of Japan. But when the ninja cheat, the samurai will stop at nothing to get revenge..."--Back cover.

"The samurai and ninja have made a massive mistake. The ghosts of their ancestors have returned, and are now ruling the sparring clans with an iron fist. The only option to reclaim power? A fearsome fight to end them all."--Back cover.