Programming Entity Framework: DbContext: Querying, Changing, and Validating Your Data with Entity Framework

Programming Entity Framework 2e: Building Data Centric Apps with the ADO.NET Entity Framework (OREILLY)

Modern Data Access with Entity Framework Core: Database Programming Techniques for .NET, .NET Core, UWP, and Xamarin with C#

Entity Framework Core in Action

Programming Entity Framework – Code First: Creating and Configuring Data Models from Your Classes (OREILLY AND ASSOCIATE)