Quranic Supplication (Du'a)
Some useful daily du'a recited by: Qari Sebghatullah Amin
Daily Supplication with english Translation

Dua Qunoot By: Mashari Rashid (Book)
Dua Qunoot By: Mashari Rashid (Audio)

Beautiful Dua books

Essential Duas in the life of a Muslim
Fortification of the Muslim
A selection of Supplications From Al-Quran and Authentic Hadith
Duas For Hajj and Other Occasions
The Answered Supplication
Daily Supplications
Dua English