Should have mentioned with the last post. Yes, I have used these for DBA, Developer & Financials. They are excellent - particularly written around the objectives for the OCP exams.

The ILT manuals do give a little more in-depth coverage of some topics, but these are great for getting the concepts you need to know quickly. I also like them because they have built-in simulations which let you get a real hands-on feel for what you are doing - rather than just seeing a screenshot in a book!