The well known Delphi MVP and former Embarcadero employee Nick Hodges has written a great Delphi book “Coding In Delphi”.
I had luck and could get a preliminary version: In my opinion it is a set book for every Delphi Developer regardless Junior or Senior Developer. You can find more information here:
https://leanpub.com/codingindelphi
http://gplus.to/codingindelphi
As I mentioned yesterday the easiest way to get a copy of the book is to upgrade to XE5:
http://www.embarcadero.com/radoffer
