The Ultimate Hitchhicker's Guide to the Galaxy is quite a hefty book at 832 pages. It's a very good value at $12.99.
I think we might replace our copy with the Kindle version that you can find here on Amazon. We can get some weight off the boat and gain a bit of precious shelf space :)
We heard the original BBC radio program on Radio 4 when we lived in Paris.
Father's Day is coming up soon but don't panic... here's an idea