Full colour facsimile reprint of the original First World War, War Office war diary of the Headquarters, Branches and Services Commander Royal Engineers, 15th Division, covering July 1915 to June 1919 across 661 pages. It names 67 places across 125 dated entries.

Alongside the daily entries the volume carries one casualty and personnel return, thirty-one reports, narratives and plans, 65 Operation Orders, three defence schemes, thirteen appendices, seven maps and three diagrams. Among the papers are: Casualties R.E., Pioneers, & Attd Infy Period 20th June 30th July; Report on operations during 15th Sept. 1918.; Instructions Appendix B; 15th Divl R.E. operation order No. 7; 15th Divisional R.E. operation order No. 10. Appendix "B"; March Table issued with 15th Divisional R.E. operation order No. 31; 15th Divisional R.E. Instruction No. 1. Appendix "D"; Appendix "E" 15th Divisional R.E. Addendum 1. to instructions No. 1; Warning order; Amendment No. 1 to 15th Divisional R.E. instructions for Defensive Arrangements numbered 1 to 5 (3 of them); Amendment No. 2 to 15th Divisional R.E. Instruction for defence Arrangements; Details of Relief.

The diary opens at Marlborough on 4 July 1915. 1915 is spent at Vaudricourt, Noeux Les Mines, Drouvin, Lillers and Marlborough. 1916 at Sailly Labourse, Noeux Les Mines, Albert, Lillers and Baizieux. 1917 at Arras, Duisans, Dainville, Brandhoek and Etrun. 1918 at Arras, Etrun, Warlus, Bracquemont and Tongres-Notre Dame. 1919 at Tubize, Belgium and Antwerp. It closes at Antwerp on 30 June 1919. Arras is where it spent longest, 153 days across nine separate stays and the longest it stayed anywhere without moving was 61 days at Sailly Labourse.

Trench and battlefield features named in the diary include Shelter Wood X.22.c4.5.

In 1915 it is also recorded at Drouvin Vaudricourt. In 1916 it is also recorded at Mazingarbe, Bryas, Flers, Frohen Le Grand, Bernaville, Vignacourt, St Gratien, Montigny, Shelter Wood X.22.c4.5 and 15th Divisional R.E. Appendix B. In 1917 it is also recorded at Baizieux, Beauval, Bouquemaison, Wagnonlieu, Noeux, Vlamertinghe, Winnezeele, Adv. HQ. Ramparts Ypres, Drouvin and Watou. In 1918 it is also recorded at Arras Place St Croix, Citadel, Duisans, Warlus Auchel, Auchel, Villers Chatel, Liancourt, Guise La Motte, Coeuvres Et Valsery and Dommiers. In 1919 it is also recorded at Tubize, Belgium.