SAHIH BUKHARI, BOOK 21 Prayer at Night (Tahajjud)
The Prophet said, "If anyone of you enters a Mosque, he should not sit until he has offered a two-Rakat prayer
Islam Under the light of sahih hadith; this collection is from 1- Sahih Al-Bukhari 2- Sahih Muslim 3- Sunan Abu-Dawud 4- Malik's Muwatta Full collections download available at: http://steptowardssuccess.blogspot.com/2011/04/hadith-collection-in-english-for.html https://drive.google.com/folderview?id=0B5J3PhWBX96mMzBkNmVkODItZjM4ZC00Mzg1LTlmOGQtMjliZWZlZmM0YTVk&usp=sharing