Paula asked:

Please can somebody send me all they know about Wittgenstein (Tractatus Logico-Philosophicus
and Philosophical Investigations)?

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Whew! A tall order. Do I detect a note of urgency?. Have you read either of the books, or bits of them,
and do you have any specific questions about what you have read?

If you really need a quick potted introduction try some of the web based encyclopaedias such as
Peter Hacker's article in The Oxford Companion to Philosophy or the Wittgenstein entry in the
Stanford Encyclopaedia of Philosophy. [You will find both on the PhiloSophos site at
http://www.philosophos.com/knowledge_base/.]

Avoid stuff like Paul Strathern's Wittgenstein in 90 Minutesor take it with a hefty a pinch of salt and
move on... this sort of thing is written by dilettantes to separate the naive from their money...

If you want to progress from the simplest "dictionary" type introductions then David Pears' little book
Wittgensteinin the the Fontana Modern Masters series and Anthony Kenny's book with the same title
are OK-ish and will be reasonably easy to read. But of single volume commentaries on W., the best,
bar none, is Insight and Illusionby P.M.S. Hacker (Oxford University press, ISBN 0-19-824798-2). But
it will not be easy reading, especially if you are new to this. Otherwise, but at a similar level, Hacker's
book Wittgenstein and Twentieth Century Analytic Philosophyis excellent and perhaps a bit more
"accessible".

Robert de Villiers