Book review: Geotechnical engineering design

This month's letters cover Barnes Wallis and the R100 airship, the importance of temporary works, CDM 2015, and web buckling.

Richard Haigh finds this book to be a useful introduction to volumetric modular construction for structural engineers, although more in-depth publications are available for individual materials.

With the UK hit by snowfall again, Stewart Macartney responds to a recent Viewpoint and calls for the Eurocodes to be revised to avoid snow loads being underestimated.