Must have books

Hadith Major Books The most famous and authoritative collections of Shi'ite hadiths are
1	Al-Kafi al-Kafi fi 'ilm al-din (The Sufficient in the Knowledge of Religion) PDF some parts Wofis Author: Thiqat al-Islam al-Shaykh Abu Ja`far Muhammad b. Ya`qub b. Ishaq al-Kulayni (d. 328/329 A.H./940) Size: 8 vols It contains 16099 Traditions with their authorities and sources, related to both Usul and Furu Some Parts are translated here Also available here from islamic seminary
2	Man la Yahduruhu al-Faqih (For him not in the Presence of Jurisprudent) Author: al-Shaykh Abu Ja`far Muhammad b. `Ali b. Husayn b. Babawayh al-Qummi (al-Shaykh al-Saduq) (d. 381 A.H./991) Size: 4 vols 666 chapters 5998 Traditions
3	Tahdhib al-Ahkam (Rectification of the Statutes) Author: Shaykh al-Ta'ifah, Abu Ja`far Muhammad b. Hasan al-Tusi (d. 460 A.H./1068) Size: 10 vols Contents:1359 ahadiths 393 sections
4	Al-Istibsar (al-Istibsar fi ma ukhtulif fihi min al-akhbar (Reflection upon the Disputed Traditions) Author: al-Shaykh Abu Ja`far Muhammad b. Hasan al-Tusi (d. 460 A.H./1068 ad) Size: 4 vols Contents:5511ahadiths
5	Bihar al-Anwar (Oceans of Lights) Author: Muhammad Baqir b. Muhammad Taqi al-Majlisi (d. 1110 A.H./1690 ad) Size: 110 vols
6	Wasa'il al-Shi`ah Author: al-Shaykh Muhammad b. Hasan al-Hurr al-`Amili (d. 1104 A.H.) Size: 29 vols Contents:35868 ahadiths
7	Mustadrak al-Wasa'il wa Mustanbat al-Masa'il Author: al-Hajj Mirza Husayn al-Nuri al-Tabarsi (d. 1320 A.H.) Size: 18 vols & 23000 traditions