The author said in his introduction, "Purity (Tahârah) is a beautiful word that is pleasing to the eye, and a quality which everyone wishes to maintain. From an Islamic perspective, purity has a general meaning. Thus it may mean, on one hand, physical cleanliness which is the purity (of the body) from perceptible filth or ritual purification. On the other hand, it may mean spiritual purity which is the purity of the self from vices, sins and abandoning disobediences, and getting used to good deeds and words." This book talks about wudu (ablutions), ghusl (washing one's body), tayammum (using the clean earth to perform prayer) and wiping over kuffain (boots).