unixGeek.equals(financialGeek) == true

According to amazon.co.uk:

We recommend: Standard & Poor's Dictionary of Financial Terms (Standard & Poor's)

by Virginia B. Morris
http://www.amazon.co.uk/dp/1933569042/ref=pe_ar_x3

RRP: £9.99
Price: £9.49
You Save: £0.50 (5%)

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* The Art of Unix Programming (Addison-Wesley Professional Computing Series)