To help you get an impression of the size and feel of the book, here are a couple of photos as the book landed on my desk.

 

PEN WAR 2 PEN WAR 3 PEN WAR 4

 

There's even of bottle of water for scale!

So give it a go, give us your best guess of the exact weight of this fantastic tome. Quite apart from being very heavy, and beautiful, this book is a fantastic historical resource. The exhaustive set of maps gives an unprecedented visual guide to the strategic and tactical situations of the Peninsular War.

We will accept guesses until this time next week!