[MrZipf]

As an older self-taught engineer who went through interviews last year this is great advice. Other books I found particularly useful were:

Algorithms by Dasgupta, Papadimitriou and Vazirani:

http://www.amazon.com/Algorithms-Sanjoy-Dasgupta/dp/00735234...

And Elements of Programming Interviews by Aziz, Lee and Prakash:

http://www.amazon.com/Elements-Programming-Interviews-Inside...