Sword of Heavens Books in Order

1. 1 Sapphire of the Fairies (Sword of Heavens, Book 1) Richard S. Tuttle Book 1
2. 2 Unicorns' Opal (Sword of Heavens, Book 2) Richard S. Tuttle Book 2
3. 4 Dwarven Ruby (Sword of Heavens, Book 4) Richard S. Tuttle Book 4
4. 5 Emerald of the Elves (Sword of Heavens, Book 5) Richard S. Tuttle Book 5
5. 6 Dragons' Onyx (Sword of Heavens, Book 6) Richard S. Tuttle Book 6
6. 7 Amethyst of the Gods (Sword of Heavens #7) Richard S. Tuttle Book 7

Reading order is taken from the volume numbers in each book's title. Where a volume number is missing from a title, that book sorts by title and may be out of place.