Shinobi mysteries

"Master ninja Hiro Hattori is trying to sleep when he has an unexpected visit from his friend Kazu, a fellow shinobi and member of the same ninja clan working undercover at the shogunate. Kazu says that Saburo, the Shogun's cousin, has been stabbed to death within the walls of the Shogun's palace with Kazu's dagger, and that though he is innocent, he fears he will be blamed for the murder. He begs Hiro's help in escaping the city. But before he can...

"Autumn, 1565: When an actor's daughter is murdered on the banks of Kyoto's Kamo River, master ninja Hiro Hattori and Portuguese Jesuit Father Mateo are the victim's only hope for justice. As political tensions rise in the wake of the shogun's recent death, and rival warlords threaten war, the Kyoto police forbid an investigation of the killing, to keep the peace--but Hiro has a personal connection to the girl, and must avenge her. The secret investigation...

"Master ninja Hiro Hattori and Jesuit Father Mateo head up to Mount Koya, only to find themselves embroiled in yet another mystery, this time in a Shingon Buddhist temple atop one of Japan's most sacred peaks. November, 1565: Master ninja Hiro Hattori and Portuguese Jesuit Father Mateo travel to a Buddhist temple at the summit of Mount Koya, carrying a secret message for an Iga spy posing as a priest on the sacred mountain. When a snowstorm strikes...