Adrift on the Nile (Thartharah fawqa al-Nīl, Arabic: ثرثرة فوق النيل‎‎) is a 1966 book by Egyptian author and Nobel Laureate Naguib Mahfouz. The novel was later made into a 1971 film, Chitchat on the Nile. The book follows Anis Zani who smokes kief every night with a group of friends on a houseboat on the Nile. Anis works as a civil servant but soon finds his life encumbered by his drug use. The book explores nihilism and spiritual emptiness.