This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
I'm not sure if one can pass SCMAD by just going through specs and Whiz labs Simulator.
That covers the complete SCMAD exam, so if you read and learn the specs then you can pass the exam. The question is how thoroughly you understand the specs, and Whiz labs will help you see how thorough of an understanding that you have.