Viewpoint: Managing risk in a changing business world – Trading in a growing marking – know your appetite

This month's letters continue the debate about innovation in structural engineering; discuss the importance of understanding how a building is to be constructed; offer some thoughts on a recent article on performance-based seismic design; and lament the loss of engineering graduates to more lucrative professions.

This book provides an unbiased, informative and up-to-date account of glass fibre-reinforced concrete for anyone new to the material, says Graham True.

This month, judge Ron Slade has selected two winners: Duncan Walters of Eckersley O'Callaghan and Rob Nield of Arup. Each receives an e-book of their choice from the Institution's current catalogue.