Below are books I recommend on Yemen, divided into four categories based on nothing other than my own biases.General/Accessible:Yemen: Travels in Dictionary Land, Tim Mackintosh-Smith(US Title: Yemen: The Unknown Arabia)My all-time favorite book on YemenSpecialist/ScholarlyA History of Modern Yemen, Paul DreschA Dense but highly informative read on the history of 20th Century YemenRevival and Reform in Islam: The Legacy of Muhammad al-Shawkani, Bernard HaykelAn excellent history of some of the theological underpinnings of modern Yemen.A Tribal Order, Shelagh WeirExcellent book that is focused on tribes and politics in Sa’dah, not on the Huthi conflictSan’a: An Arabian Islamic City, RB Serjeant and Ronald Lewcock eds.The Holy Grail of Yemen BooksMawla’i Level (if you don’t get the reference stay away from this section)Tribes, Government and History in Yemen, Paul DreschExcellent source of information that challenges the readerMa’sah waq al-waq, Muhammad Mahmud al-Zubayri(The Tragedy of Waq al-waq)One of the handful of founding sources for this blogReference LevelMu’ajim al-Buldan wa al-qaba’il al-yamaniyya, Ibrahim Ahmad al-MaqhafiYemeni Geographical and Tribal dictionary – indispensableAl-mausu’a al-yamaniyya, Dar al-Afif (2nd ed. 4 vols)Yemeni Encyclopedia – sits next to my desk