His book aims to strip away the lies and show the world as it really is.

【strip】他的书旨在揭露谎言，展示世界的真实模样。

" Realistic, " here, means showing the world as it really is, showing something how it actually is rather than how you might like it to be.

“现实” ，在这里，意味着展示世界的真实面目，展示事物的真实面目， 而不是你可能希望它成为的样子。