https://www.amazon.com/Art-Happiness-Penguin-Classics/dp/0143107216/ref=sr_1_5?dchild=1&keywords=epicureanism&qid=1625444554&sr=8-5
I use this with my undergrad classes and find it's really straightforward. I tend to think looking at the primary sources is best:
https://www.amazon.com/Art-Happiness-Penguin-Classics/dp/0143107216/ref=sr_1_2?dchild=1&keywords=epicurus&qid=1605395017&sr=8-2