Yes, You Can Be a Successful Income Investor by Ben Stein and Phil DeMuth is a great introduction to income investing. This book covers the basics income investments available to investors which include:
- Bonds
- Stocks
- Preferred Stocks
- Real Estate Investment Trusts (REITS)
- and Annuities
One important thing to note is that as your income portfolio grows you should be investing in lower risk income options, such as bonds. My recommendation would be to invest aggressively at first, when your portfolio is relatively small, then over time as your portfolio grows invest into safer, lower yield investments. As you're closer to reaching your goal it will be more about capital preservation than growth.
Here's some advice from Ben Stein: