Riyadus Saliheen in 2 volumes

What a Muslim must know

Panje Surah and Du'a o Durood

The ideal is Muslim

Sahih Muslim 

abridged in one volume

Ar Raheequll Makhtoom

Seerah by Ibn Katheer

How did the Prophet (peace and blessings of Allaah be upon him) pray?

The correct way to deal with disagreements

Ruqyah Shariah

The way the Prophet (peace and blessings of Allaah be upon him) used to transact and judge

Shaykh Abdul Qayum
Imam East London Mosque

O Allah listen to my dua

Qiyamah in the Qur'an

Sham'eel Tirmidhi

At-Tirmidhi

all 6 volumes in 1