Hard to do without knowing age or interests. Merchanter’s Luck - C.J. Cherryh. Great sophisticated writer. Her aliens are truly alien. Neuromancer - William Gibson. Coined the term cyberspace. Garth Nix books are for teens and adults. British mystery. Dorothy L. Sayers, John Mortimer, Reginald Hill WWII. Cornelius Ryan, Edward L. Beach. Classics. Dracula, 20,000 Leagues Under the Sea, Call of the Wild, The Caine Mutiny, Long Days Journey Into Night. Try The Gutenberg Project, which has 60,000 free books to download. Tons of classics, but nothing new since the copyright has expired.