David Holman’s ‘Island of Fear (An Alex Swan Book 3)’, Great Free Kindle Spy Thriller Book, Deals Authors, Promote Your Book to 4 Million Readers. Become A Bestselling Author. Free Kindle Books – Spies & Espionage Island of Fear (An Alex Swan Book 3) by David Holman. Price: Free. Genre: Espionage Thrillers, Assassination, Suspense. Rated: 4.1 stars on 4 Reviews. 236 pages. ASIN: B07MFB47Q1.