Harun al-Rashid, the legendary caliph portrayed in The Thousand and One Nights, was the son of a Yemenite slave who cleared Harun's path to power, very probably by poisoning her eldest son. Harun reigned for a quarter of a century, his empire spreading over south-west Asia and into north Africa. He waged war on the Byzantine Empire, and dealt ruthlessly with the religious and social insurrections which threatened his kingdom, executing almost the entire Barmakid family when they threatened to become too powerful. patron of the arts, and highly esteemed by Charlemagne. He turned Baghdad into a...

In this comprehensive book former Director of Product Development at Head Ski Co. John G. Howe explains the mechanics of skiing and ski design including theory of side cut and short radius carving skis.

This book analyses the use of rural road networks and the causes and effects of road programmes in the areas of personal travel, education, health and poverty alleviation. It discusses the criteria which are being used for rural road selection and their impact in Egypt, India, Botswana and Thailand.