The familiar ring around the moon is an example of an atmospheric halo, which is a signature of ice crystals in the air, though the focus here is on odd radius halos.

This is an account by an insider who worked for 18 years in the Ministry of Defence. The book examines the people, the procedures and the decision-making processes involved.

Includes bibliographical references and index.

The book's focus is on how best to improve and optimize these technologies and their economics to produce the fuels and chemicals so vital to many industrial sectors.

Neuropsychological variables, for instance, are studied as risk factors for antisocial behaviour; authors in this book show that neuropsychological delay makes juveniles vulnerable and prone to criminal acts.

In this superbly illustrated book, Adam Mornement describes the history and evolution of some 40 boathouses from around the world, from the mid-18th century to the 21st.