What after Sololearn ?

Question

Sololearn is good and give introduction about programming language, for example c#. but to continue in advanced topics like web or desktop application development, what is your recommendation to learn ?

Answer 1

I prefer books.
Everything is organized in books.
Explains every topic.
You have to type so syntax error will be eliminated with practice.

You can always search online when stuck.

Answer 2

What book you advise?