This guide book deals in detail with the action of 14 - 17 July 1916 involving the 110th and 20th Brigade troops including the 6th, 7th, 8th, and 9th Leicestershire Regiment, the 8th and 9th Devonshire Regiment and the 2nd Border Regiment together with the 1st East Yorkshire King's Own Light Infantry, 24th Manchesters and 2nd Royal Warwicks in support.