This book is about networks and complexity and the modeling of complexy. Computer networks, social networks, genetic networks that impact all aspects of our lives and the lives of everyone on the planet.
I came to this book through our son, who is a microbiologist, researching how some plants (beans) produce their own fertilizer and others don't, while long ago all plants did.
What's important about this book is Chapter 10, "Spreading Phenomena," which describes epidemics, contact networks, immunization, epidemic prediction.
The chapter describes how to model the spread of disease as a network, from smallpox to Aids
A place to start with the exponential growth of the Coronavirus is Christian Smart's postings