Barrow, John, 2012, The Book of Universes, W. W. Norton & Company.
Chown, Marcus, 2001, The Magic Furnace, Oxford University Press.
Davies, Paul, 1997, The Last Three Minutes, Basic Books.
Ferris, Timothy, 1998, The Whole Shebang, Simon & Schuster.
Greene, Brian, 2005, The Fabric of the Cosmos, Vintage.
Harrison, Edward, 2000, Cosmology: The Science of the Universe, Cambridge University Press. [Highly recommended]
Hawking, Stephen, 1988, A Brief History of Time, Bantam.
Natarajan, Priyamvada, 2016, Mapping the Heavens: The Radical Scientific Ideas That Reveal the Cosmos, Yale University Press.
Rees, Martin, 2003, Our Cosmic Habitat, Princeton University Press.
Weinberg, Steven, 1993, The First Three Minutes, Basic Books.
Vilenkin, Alex, 2007, Many Worlds in One, Hill and Wang.
In addition, anything by Sean Carroll, John Gribbin, Janna Levin, Alan Lightman, Lisa Randall, Carlo Rovelli, and Leonard Susskind is worth a read.