The Drumbeat of War

The world is changing faster than you can write - technologically, politically, environmentally etc. How do you roll with the changes in your fiction? by CatrionaI thought I was being so jammy - setting a book in 1922 - no forensics, no mobile phones, no computers to worry about getting right. Hemlines, menus and current events were a doddle in comparison. 
There are three things you get wrong at your peril when writing about any period though: trains, birds and guns.  There wil...