Night Diving! Talk about exciting and mysterious, diving at night is a whole new way to enjoy the underwater world. Many of the inhabitants of the underwater world hide during the day and only come out at night. Bioluminescence looks like a blue snow storm as you kick your fins on a night dive swirling microscopic creators light up when disturbed by your fin blade. Want to experience all that then night diving is what you want to get qualified for. PADI's Night Diving Manual is the first step in learning about the nocturnal world below the waves. Manual covers all skills and techniques required to become a qualified and safe night diver.