Churchman, John. Advanced level study aids. Biology / John Churchman and Kath Pedder. - London : John Murray, 2001. - 278p. : ill. ; 30 cm. ISBN: 071957630X £9.99 9780719576300 Nat. Bib. No.: GBA0W0867 bnb Subjects--Topical Terms: Biology--Examinations--Study guides.