An acronym of "Torah" (Five Books of Moses), "Neviim" (Prophets), and "Kesuvim" (Writings). The three books together form the "Written Torah".
For Torah see parshanut-torah-comment. Concerning the five books of the Torah independently see: genesis-bereishith, shemot-exodus, sefer-vayikra, bamidbar-numbers-book-of, sefer-devarim.
For neviim see: sefer-yehoshua, shoftim--book-of, samuel-shmuel-book-of, melachim-kings-book-of, isaiah-yeshaya-the-book, yirmiyahu--book-of, sefer-yechezkel and Trei-asar the 12 prophets which includes hosea-hoshea, book-of-yoel, book-of-amos, obadiah--book-of, yonah-jonah-book-of, micah, nahum-book-of, chabakuk--book-of, zephaniah-book, book-of-haggai, zecharia-book-of,book-of-malachi.
For ketuvim see: tehilim-psalms, mishlei, job-iyov-book-of, book-of-ruth, shir-hashirim, kohelet, lamentations-eicha, megillat-esther, doniel-book-of, ezra-nechemya and divrei-hayamim.