Destiny
The best place for trading books is the US, even with $10 shipping costs the books usually work out much cheaper than buying them in the UK, these are the best two sites.
www.traderslibrary.com
www.superbookdeals.com
Does anyone have any views on Wilder's other book 'The Adam Theory of Markets'
The Delta Phenomenon is £135 at Global but you can pick it up for $140 (£76) + postage at www.superbookdeals.com
The Volatility Index ($VIX) was changed on Monday by the CBOE to reflect the use of the SPX options now instead of the OEX options. In most cases the symbol on your quote vendors services will not change. But you should check with them to see if they use a new symbol.