I've had my greenhouse for almost a month and this book for about two weeks. I should have got the book first!
It is absolutely wonderful. It has tons of priceless information and lots of reassurances too.
I have the revised and expanded edition published in 2000. A good read for the gardener considering a greenhouse. Brings up all kinds of things I never thought of. Covers a lot of areas I wasn't interested in, but found informative never the less. Good section of appendices for garden associations and suppliers.