Mukhtasar Zaad Al Ma’aad - Ibn Al-Qayyim مختصر زاد المعاد -ابن القيم

Here is the summary of what is certainly the best book on the Biography and Sunnah, Zad al-Ma'ad of Imam Ibn Qayyim al-Jawziyyah. This Mukhtasar, which is often recommended to start in the biography, is written by Imam Mujaddid Muhammad ibn Abdelwahhab.