Volume 36 Number 2 May 2009

86	Editorial (50KB)
87	President’s column (120KB) N. Joshi
90	Maths Matters: What do we need: herd immunity or a lone gold medallist? (100KB) L. Forbes
93	Puzzle corner 12 (190KB) N. Do
98	Mathematical Minds (150KB) N. Joshi
105	The Access Grid (260KB) B. Blyth and J. Bell
110	Obituary Ernie Tuck (100KB) E. Cousins, P. Gill, N. Newman and Y. Stokes
117	Obituary Ernie Tuck (150KB) N. de Mestre
119	Crime investigation: an introduction to error-correcting codes (140KB) G. Myerson
127	A geometric approach to saddle points of surfaces (260KB) S.R. Ghorpade and B.V. Limaye
137	Book reviews (270KB) Making Mathematics with Needlework, by Sarah-Marie Belcastro and Carolyn Yackel (eds)(Reviewed by Frances Mills and T.M. Mills) Geometric Puzzle Design, by Stewart Coffin (Reviewed by Leanne Rylands) Invitation to Discrete Mathematics (second edition), by Jiri Matousek and Jaroslav Nesetril (Reviewed by Murray Elder)
142	AMSI News (70KB) P. Broadbridge
144	News (120KB)

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