Book review: Designing a Safer Built Environment: A complete guide to the management of design risk

This month's letters revisit an example of carbon savings, call for better financial checks of companies, and praise last month's article on carbon-driven design.

Edwin Trout is impressed by this well-illustrated and sweeping history of two important materials, which engineers will enjoy dipping into as their interests dictate.

To mark the 100th anniversary of The Structural Engineer , Peter Debney selects three early articles on computerised analysis which had a profound impact on him and contain lessons that remain relevant to engineers today.