it's about the history of westen philosophy, written as a novel with a (supposed) plot and characters etc.
no offence, Soma, but i couldn't get through more than a couple of chapters. it was "THE book to read" when it came out, especially amongst the chattering classes, and so everyone was reading it. i found it so tremendously tedious that i couldn't be arsed wading through it - i went and read a textbook on the history of western philosophy instead, and it was far more interesting, entertaining and readable, quite frankly. i just couldn't care less about "what happens next?". dull, dull, dull. and badly written (although that may have been the translation).
what did amuse me about it is that, when i asked loads of people who'd read the whole thing, they eventually admitted what a pile of boring bilge it was. but then, they HAD to read it, cos everyone was reading it and saying how wonderful it was.
so, another case of "the emperor's new clothes". one of the times i thank the gods i'm an aspie.
you may well enjoy it, so don't take my word for it, Soma. i'd be interested to hear what you think of it.
while i'm on the subject, there was a similar book which attempted to do the same with maths - "the parrot's theorem" by denis guedj. it was nearly as bad, with the plot shoehorned in amongst the maths bits. i just read the maths bits (entertaining) and ignored the tenuous and pointless plot attempt.
and there's one which does the same for religion - "theo's odyssey", by catherine clement - which i thoroughly enjoyed - it's what "sophie's world" should have been.