This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Khalid and Mughal is very good. Sierra and Bates is also good. In my view neither is better as Khalid and Mughal is more detailed and has more total text, but Sierra and Bates is an easier read and so long as you read it all it should be enough to pass the exam with.