Author Exact: HIRST, KEITH Found 8 entries Title List Hirst, Keith     AQA specification B. A2 biology. Unit 4, Module 4 : energy, control and continuity / Keith Hirst. 2001. 570.76 HIR.       AQA specification B. A2 biology. Unit 7, Module 7 : microbes and disease / Keith Hirst. 2002. 570.76 HIR.       AQA Specification B. AS biology. Unit 1, Module 1 : core principles / Keith Hirst. 2000. 570.76 HIR.       AQA Specification B. AS biology. Unit 2, Module 2 : genes and genetic engineering / Keith Hirst. 2001. 570.76 HIR.       AQA specification B. AS biology. Unit 3a, Module 3a : physiology and transport / Keith Hirst. 2001. 570.76 HIR.       Biology core / Mike Bailey with Keith Hirst. 1997 574.07 BAI.       Collins advanced modular sciences. Biology A2 / Mike Bailey, Keith Hirst. 2001. 574 BAI.       Collins advanced modular sciences. Biology AS / Mike Bailey, Keith Hirst. 2000. 574 BAI.