Need Help in Choosing Book to Read

hey there!

i’m new to this sub and i’ve read about 24-25 AC books in the last 3 years. my first post is a very silly request so i hope someone could help me out.

my sister lent me 5 of her AC books out of which i’ve read 2 (Dead man’s folly and Nemesis). i have three more books - Murder is Easy, Mysterious Mr. Quin and Witness for the Protection and other Plays. which one i go with first? 😅