The first in this book series was published in 2013, and involved the call of a bird from the family of Cuculidae, usually considered crazy. The second, published in 2014, involved a different animal, this time the larva of the Bombyx mori insect.
What series and what is the second called?   
 [+ Show Answer] 
The second in the Cormoran Strike novels by Robert 'J.K.Rowling' Galbraith. The first was 
"The Cuckoo's Calling" and the second in 2014 was 
"The Silkworm".