Skydivers fearlessly perch at a plane''s open door. Yes, they have a parachute, but it''s a long way down; sometimes they''re 8,000 feet above the ground. Readers will muse if they''d dare take the plunge in the pages of this thrilling volume. From packing their parachute rig on the ground to spotting a landing zone from the air, the essentials of skydiving await them in this high-interest, accessible book.