Papers presented at the First International Conference on Thaumasite in Cementitious Materials, held at BRE, Garston, UK, 19-21 June 2002. The CD is for use with Windows 3.1x, Windows 95 or later. The papers are in Adobe(R) Acrobat(R) format and the files are indexed to allow text searches across all files with Adobe(R) Acrobat(R) with Search for Windows(R).