What are your favorite books about multifamily properties?

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I recently purchased Multi-Family Million by David Lindahl just to start learning some basic info. I feel like I'm just being sold something (keeps mentioning his successful students, how awesome it is to be his student, benefits, his website, etc). And I feel like the information is very common sense and basic. 

Do you guys have any good recommendations for a total beginner who's interested in multi family properties?