Book Recommendation - Out of State Investing

Hi Guys,

I'm looking for a book recommendation for my upcoming winter vacation. Last year I read Rich Dad, Poor Dad and it was incredibly eye-opening and inspiring. I went on to give real estate investing a full hearted attempt in the first quarter of this year, but did not end up making a purchase.

I'm now thinking of investing in multi family out of state, and I'm wondering if there are any books on that topic that I should check out. Alternatively, if there's nothing that specific, what should someone interested in investing in multi family read after Rich Dad, Poor Dad?

Thanks in advance for your recommendations!

-Christian