Sahiih Fiqh al-Sunnah
Sahiih Fiqh al-Sunnah is a great book. It is written by Abu Maalik Kamaal al-Sayyid. It points out the raajih opinion based on the Qur'aan and Sunnah.
Those who can read Arabic should download the book from here and read it. We are obliged to follow only the Qur'aan and Sunnah. The author does a wonderful job guiding you towards exactly that.