The Voices of Marrakesh by Elias Canetti — Nobel laureate's impressionistic account of a journey through Morocco in 1954; though focused on Marrakesh, it captures the sensory world of the country that surrounds Tafraoute.
Lords of the Atlas by Gavin Maxwell — the rise and fall of the Glaoui clan of the High Atlas, packed with violence and intrigue; vivid on the Berber world of southern Morocco in the first half of the twentieth century.
In Morocco by Edith Wharton — written in 1919, an account of travel through Morocco that captures the country at a moment of transition; elegant prose and sharp observation.