I usually post in the freshwater category but I found a fairly reasonably priced copy of Slack's Insect Eating Plants and I have to say it is a wonderful book. I'd recommend it to everyone. The information seems quite good to my inexperienced eyes and I like the photos. What happened to Slack? In his photo in the book he does not look that old. Is his nursery still around?
Not exactly sure, but I believe Slack is still living.
Check out link for info on Adrian Slack.CPUK Slack info.