An action packed adventure across Arabia in search of Gurra, the 'weed of paradise. This new drug, a thousand times stronger than hashish, has begun to spread in London, and only Biggles can stop it. A grave peril has reached London. Air Commodore Raymond of Scotland Yard has discovered a new drug, one being used for robberies and more. Gurra is a risk to civilization itself, and only one man can be entrusted to save it. Can Biggles find the source before this new drug scourges civilisation?

Join the newly-promoted Detective Air-Inspector Bigglesworth as he is sent on a mission by Scotland Yard in the Arabia's infamous Rub Al Khali, the Empty Quarter. Accompanied by his old flying buddies Ginger and Bertie, Biggles travels to Aden, in order to fly out across the savage desert in search of a mysterious oasis, the only known source of a dangerous new drug. There they find the trusty Zahar, who has been betrayed and left to die by the servant of a perfidious crimelord.

Can Biggles and the gang survive the perils of the desert and achieve their mission of saving civilisation from this terrible new drug? Facing perils from dust storms and poisoning to drought to capture and mortal danger, Captain Biggles shows off the best of British nobility and grit in this fast-paced adventure.

Cover Illustration by Stead. Originally published in seven monthly parts as Biggles In Arabia in COLLINS MAGAZINE FOR BOYS AND GIRLS (February to August 1950)