Above Fig 5.1 on page 241 you mentioned "You will see the ....... but note that the class is in a .Net Standard 2.0 class library assembly and has a method named ToString, as shown in Figure 5.1:" We can see the Assembly is netstandard 2.0 but there is no ToString method in the image. I don't know is it necessary but for someone who doesn't follow with computer, it seems the image is not fully detailed due to its explanation above.
Above Fig 5.1 on page 241 you mentioned "You will see the ....... but note that the class is in a .Net Standard 2.0 class library assembly and has a method named ToString, as shown in Figure 5.1:" We can see the Assembly is netstandard 2.0 but there is no ToString method in the image. I don't know is it necessary but for someone who doesn't follow with computer, it seems the image is not fully detailed due to its explanation above.