Helena Rookwood’s ‘Throne of Sand (Desert Nights Book 1)’, Good Free Kindle YA Romance Book, Deals Authors, Promote Your Book to 4 Million Readers. Become A Bestselling Author. Free Kindle Books – YA Romance *Throne of Sand (Desert Nights Book 1) by Helena Rookwood. Price: Free. Genre: YA Romance, Historical. Rated: 4.4 stars on 40 Reviews. 274 pages. ASIN: B084WNXGNB.