John Adds

Exchange and transport, energy and ecosystems

Tools, techniques and assessment in biology

Cambridge International AS and a Level Biology Revision Guide

Genetics, evolution and biodiversity

The organism and the environment

Respiration and coordination

Molecules and cells

AS biology with human biology

Biology with Human Biology

Molecule & Cells

Biological Systems and Their Maintenance (Nelson Advanced Modular Science: Biology)

Cell Biology and Genetics (Nelson Advanced Modular Science: Biology)

Microorganisms and Biotechnology (Nelson Advanced Modular Science: Biology)

Food and Health (Nelson Advanced Modular Science)

Applied Plant and Animal Biology (Nelson Advanced Modular Science: Biology)