Why Do Leaves Change Colors?

"Yes, the changing colors of leaves signal the coming of fall, but why do they change? Is it the cold, the amount of sunlight . . . young naturalists need to know! This engaging book reveals the science behind the colorful leaves we see falling to the earth each year. Scientific vocabulary and spectacular photographs support up-and-coming scientists' understanding as they learn about the natural processes at work, not just in autumn, but all year round"--