Books by O.F.G. Kilgour

FRED KILGOUR has been a full time writer for many years with much experience and many books published. He was previously an Examiner and Head of Department and Senior Lecturer in Further Education.

PETER RILEY is a full time writer who has had many science books published for students and teachers. He has had nearly twenty five years teaching experience and was Head of Science of a large comprehensive school for seventeen years.