Despite the disapproval of his parents and his formidable science teacher, nine-year-old allen is determined to do his school science project on human photosynthesis--turning sunlight into food for humans. Everyone laugh...Despite the disapproval of his parents and his formidable science teacher, nine-year-old allen is determined to do his school science project on human photosynthesis--turning sunlight into food for humans. Everyone laughs at his outrageous scheme until allen turns green, sprouts roots, and develops an overwhelming desire to soak up the sun.