Gareth Williams

Topics are presented as double page spreads (learning units) so that material is presented in manageable sections. The reading age has been carefully controlled, and the text written to ensure clear and unambiguous explanations. Great care has been taken with the sequencing and development of concepts, while assuming that the student had only an...

The Story of PolioFor much of the twentieth century, polio inspired terror as the 'morning paralysis' which could break into any home and disable or kill a previously healthy person. The cruelty of the disease is epitomised by the iconic images of the crippled child and the iron lung. This story of mankind's struggle against polio is...