Yes, the original BBC dvd's of Tinker, Tailor, Soldier, Spy and Smiley's People are definitive and endlessly replayable.
It's a shame they never got round to doing The Honourable Schoolboy and completing the trilogy.
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Just finishing up Solaris by Stanislaw Lem.
I've seen both of the films but never got round to the book.
The same themes shown in the films are present, the conundrum of dealing with something emotionally dear and seemingly real but in truth an alien conjured artifact.
The book spends much more time describing the nature of the planet, and all in all presents one of the more captivating portraits of what a totally alien lifeform might be like.
Well worth the read.
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Finished. The interminable passages describing the surface conditions of the planet finally had a deadening effect, making it a slog to finish. If I had to choose from the two films and the book, I'd pick the Soderberg version.
Heretic, I know.