The Sultan's Shadow, One Family's Rule at the Crossroads of East and West, by Christiane Beard.
Travels in Arabia Deserta by Charles Doughty. An absolute classic and most beautifully written. Recommend to everyone to read.
In the service of the Sultan by Ian Gardiner. On the Dhofar (in the south) insurgency of the 70’s and early 80’s.
The Wind of Morning by Sir Hugh Boustead. Another classic general read.
Rub al Khali (Empty Quarter) by Dr Abdulaziz al Obaida. Coffee table book.
Where Soldiers Fear to Tread by Ranulph Fiennes. Largely true – there are some exaggerations in this book, as is his way.
Arabian Sands by Wilfred Thesiger. A classic. Focus’s on his travels across the Empty Quarter in the late 40’s.
Oman, Culture and Diplomacy by Jeremy Jones and Nicholas Ridout.
A History of Modern Oman by Jeremy Jones.
Oman Under Arabian Skies by Rory Patrick Allen.
Portrait of Islam: A Journey through the Muslim World by Robert Laurance.
Gertrude Bell: Queen of the Desert by Georgina Howell. Even though not Oman specific, a fascinating woman and overview of an epic.
Oman Off-Road by Explorer. A practical guide to off-roading in Oman. A sort of book you need to have in your car if you want to go where no man has gone before.
Oman The Complete Resident's Guide by Explorer is an excellent pocket guide
The Lonely Planet Oman Jenny Walker has lived in Oman for twenty years and knows it.