She is the author of the Heartstar Series; Book One: The Key made of Air, and. Book Two: The Gates to Pandemonia. Her other interests include organic. Heartstar Is A Series Of Four Books One In Each Direction. Read Book One: The Key Made of Air And Begin The Journey. HeartStar: Book. She is the author of the occult novel Heartstar; Book One: The Key made of Air. Hobbies are ancient phonetic languages, sonic sound and their. REVIEWS. Kirkus Reviews. HEARTSTAR BOOK ONE: THE KEY MADE OF AIR. In Book One, a young woman attempts to save a faerie realm in this otherworldly. HeartStar: Book One: The Key Made of Air Elva Thompson on m. FREE shipping on qualifying offers. HeartStar is a powerful and illuminating.