Finally, I get...

Napoleon's Buttons: How 17 Molecules Changed History - Jay Burreson, Penny Le Couteur

my hands on this. After a whole lot of "will they, won't they" my library has marked its only copy as lost and withdrawn it from the catalogue, so I finally made a call bought the kindle edition for the current Flat Book Society read

 

Elentarri has already made a start on this (her update post here) and I hope to get down to business properly on Sunday, after the Eurovision final (...yes, that's tomorrow). So, be prepared for hungover update posts.