My Experiences of the War Between France and Germany by Archibald Forbes

Archibald Forbes  by Ape in Vanity Fair 1878

Doug found this. He says
"My Experiences of the War Between France and Germany" by Archibald Forbes is an eye-witness account of the FPW by a Scottish journalist (a former Royal Dragoon!) embedded with the Prussian Army from the start of the conflict. He's an eyewitness to most of the key events from Saarbrücken to the Siege of Paris and the Commune. Download it here