'Blade of Dishonor' is Free eBook of the Day

The adventure novel is set during WWII. Check it out:

Taught to fight by his war hero grandfather, Reeves comes home to find Grandpa Butch embroiled in a centuries-old battle over a treasured Japanese sword. Together they team up with Tara the hot-rodding ambulance driver and a secretive member of a samurai warrior brotherhood to take on a powerful clan of ninja and yakuza bent on sparking a third world war.

Amazon