I have no idea where the past month has gone, but here are some things that have happened. . .
Brooks now eats a serving of rice cereal a day. Big boy!!!
His favorite things to do are sit in his Bumbo (and make poo-splosions), jump in his Johnny Jumper, swing, or just have some good old fashioned floor time. He is in the process now of trying to roll over. 
We went to his 4 month check-up yesterday. He is in the 95th percentile for weight at 17 pounds 12.2 ounces. He is 25 inches long. He put on quite the show for the doctor, showing her how he wiggles, giggles, and talks. He also has his 2 bottom teeth as close to the surface as possible without popping through. I can't believe he is growing SO fast!!!
He absolutely LOVES bath time. But the second he comes out of the tub, he wants milk and his bed. Following the water theme, he has grown to love the swimming pool. He goes in for about the first 30 minutes we're there then takes a nap in the shade the rest of the time.
Brooks is a happy baby. As some of you have witnessed, he sounds like a cat fight when he cries, but the mere sound of his laugh cancels that out. His laugh started out one of the most hysterical sounds we'd ever heard. It sounded similar to the man with the froggy voice from 'Water Boy'. He has since found his voice and started squealing instead of "huh-huhing".