We need some folding chairs. I typed 'folding chair' into Amazon to get a lie of the land.
This book costs £675.75. Amazon are discounting it by £119.25 and, thank goodness, it is eligible for Free Super Saver Delivery. If you want a used copy, you can have one for £838.18. This is the paperback version, by the way. God knows what the hardback cost.