I read more books in 2021 (seventeen) than any other year. My five favorite books were Powder Days, Our Own Worst Enemy, Rita Hayworth and Shawshank Redemption, On Writing, and The Mountain of My Fear. The only books I would not recommend are Extraterrestrial by Avi Loeb and The Andromeda Strain by Michael Crichton.
Here is the full list, in the order I read them, with a short blurb summarizing my impressions of each: