I had mixed feelings about The Cuckoo's Calling, but I really liked this book. 
 Now that we know Cormoran Strike and all of his idiosyncrasies, I found him less annoying and more endearing. I'm enjoying seeing how Robin is developing as a character as well and I am hoping she has more of a role in Career of Evil 
 I love the mystery aspects, although I thought this one started foreshadowing the answer pretty early and I liked the overlay of the literary world.