The Sleep of Reason is a (planned) series of thriller stories by Nicholas Lim. The first book Falling is available as a free digital audiobook.
“Every epidemic begins with a first infection, a first death”
A doctor is investigating three unusual deaths on the south coast of England. In finding the source of a hidden plague, she is faced with terrible choices. How much loyalty does a mother owe to her son? And how does a doctor choose between faith and her science?