Microservices is an architectural style that promotes the development of complex applications as a suite of small services based on business capabilities. This book will help you identify the appropriate service boundaries within the business domain to ensure high cohesion and to define the correct service interfaces to promote loose coupling.
It could be better in terms of cloud services, touching every topics of building micro services but not very detailed. I guess every topic needs to be title of another book. And does not contain too much about .net core or azure.