This book of hadith is one from the group of six renowned books of hadith known as Siha Sittah. Rest of the books are Sahih Bukhari, Sahih Muslim, Nisaa'ee, Tirmazi and Ibn Maajah. Ahadith from this book have been used by all four School of thoughts. As against Sahih Bukhari and Sahih Muslim, this book contains some weak ahadith which are stated as such by Imam Abu Dawood himself or by other researchers. Translator of the book has mentioned under every such hadith the reason of weakness for the benefit of the readers.