I have got a lot out of it and recommend it. First half is maintenance tips and why algae blooms in several different situations. Second half is comprehensive pictures of different algae and descriptions. I was just re-reading it and thought I'd share with you. Very readable.
MY TANK: Planted 10g; 2 x 10W CFL; Fluval U2 internal filter; MGOCPM/black sand cap A Silent Cycled Tank started April 18, 2012