What does "Nam Myoho Renge Kyo" mean? What is the significance of the Gohonzon of "Nam Myoho Renge Kyo"? In this book, we will uncover the mistery of Daimoku and Gohonzon which Nichiren of Japan began. What is Shakyamuni, Lotus Sutra, and furthermore, the supreme teaching of the Buddhism? I explained them clearly and carefully in this book. Why was Nichiren oppressed by the regime (Shogunate) at that time? How did he try to guide the country and the people to the happiness? This book is the most recent essay on the Buddhism of Nichiren, in which we discover the truth of Nichiren's life.「南無妙法蓮華経」の意味は何か。「南無妙法蓮華経」の御本尊は、どんな意味があるのか。日本の日蓮がはじめた題目と御本尊の謎に迫る。釈迦とは、法華経とは、さらには最上の仏教の教えとは何か。分かりやすく、丁寧に解説した。日蓮はなぜ当時の政権（幕府）から弾圧されたのか。日蓮は国と人々を、どのような方法で幸福に導こうとしたのか。これが、日蓮の生涯の真実に迫る最新の日蓮仏法論だ。