International Mathematics is a new series offering a comprehensive programme for teaching Lower Secondary Mathematics. Specially designed for pupils for whom English is a second language, the course
Covering a wide range of substances, including opium, cocaine, coffee, tobacco, kola, and betelnut, from prehistory to the present day, this new edition has been extensively updated, with an updated b
Psychoactive substances have been central to the formation of civilizations, the definition of cultural identities, and the growth of the world economy. The labelling of these substances as 'legal' or
