Kitab As-Sunnah

This book is cited often to also radicalize some Muslims. This isn't authentic hadith or the Quran. Salafis and others use quotes from this book to promote hate toward other people purely on the basis of their ethnicity or family background e.g. a person of jewish descent. You can hate a religion's beliefs but you shouldn't hate ethnicities.Other books used to promote hate: Al-Lālikā’ī, AshSharī’ah – Al-Ājurrī.