A/L Teacher’s Guide (Teachers’ Instructional Mannual) Published by National Institue of Education.
kriyakaree sathvaya (Functioning Animal) Volume 1 and 2 – By Prof Ashoka Pathirathna and Prof M J S Wijeyaratne
Parisarika Jeewa Vidyawa (Environmental Biology) – Prof Hiran Amarasekera
Jeewaye Rasayanika saha saileeya Padanama – Chemical and Cellular Basis of Life – Prof H G Nandadasa
Praveniya – Heredity by Prof H G Nandadasa
Praveni Vidyava – Heredity by Prof Nissanka de Silva
kriyakaree shaakaya – Functioning Plant by Prof H G Nandadasa
Campbell and Raven Johnson books are the world best Biology books. But Campbell is the world leader for accurate and updated information. However recent version of Raven Johnson has very good graphics, and simple comprehensive text.
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