The following are my recommended books to read to become a more effective and productive C# engineer. Some of the links below might be affiliate links, which means that if you choose to make a purchase, I will earn a commission. This commission comes at no additional cost to you.
I am currently reading this book and I am really loving it so far.
It teaches you the importance of focusing on high-leverage activities to maximize your development as a software engineer and the impact in your organization.