Lincoln Highway or A Gentleman in Moscow by Amor Towles
The works of Dickens. Start with David Copperfield. Also great: Dombey and Son, Great Expectations, A Tale of Two Cities.
The works of Anthony Trollope. Start with The Way We Live Now. Then do the Barcetshire series and the Palliser series.
Cormac McCarthy's more accessible works, e.g., No Country for Old Men, The Road, The Border Trilogy
P.G. Wodehouse, the Jeeves stories and novels
The LA noir crime novels of Raymond Chandler and Dashiell Hammett
The works of Charles Portis. Start with True Grit.
Non-Fiction
Wild Problems and/or How Adam Smith Can Change Your Life, Russ Roberts
Build the Life You Want, From Strength to Strength, and/or Love Your Enemies, Arthur Brooks
Triumphs of Experience, George Vaillant