* Guidance for Key Stages 3 and 4 Science from the Development Education Association, a booklet for teachers and advisers on teaching and learning about development and global issues, demonstrates the links between science and citizenship, economic and industrial understanding, and environmental and health education and lists activities and resources. Pounds 2 plus Pounds 1.20 postage from: DEDU, 153 Cardigan Road, Leeds LS6 1LJ, tel: 0113 278 4030.