ASP.NET Core is a huge topic and would take far more time to cover than we have in this short chapter. Bearing that in mind, I recommend the following books for you to continue your ASP.NET journey:

• ASP.NET Core 2 Fundamentals (https://www.packtpub.com/in/web-development/aspnet-core-2-fundamentals): Build cross-platform apps and dynamic web services with this server-side web application framework by Onur Gumus and Mugilan T. S. Ragupathi. ISBN: 978-1789538915
• Mastering ASP.NET Core 2.0 (https://www.packtpub.com/in/application-development/mastering-aspnet-core): MVC patterns, configuration, routing, deployment, and more by Ricardo Peres. ISBN: 978-1787283688
• Building Microservices with .NET Core 2.0 (https://www.packtpub.com/in/application-development/building-microservices-net-core-20-second-edition): Transitioning monolithic architectures using microservices with .NET Core 2.0 using C# 7.0 by Gaurav Aroraa. ISBN: 978-1788393331
• Learning ASP.NET Core 2.0 (https://www.packtpub.com/application-development/learning-aspnet-core-20): Build modern web apps with ASP.NET Core 2.0, MVC, and EF Core 2 by Jason De Oliveira and Michel Bruchet. ISBN: 978-1788476638