What economics really is? is it something related to boring graphs and uninteresting theories? No. It is about what we do everyday. Tim Harford explains it beautifully in his book The Undercover Economist. The book not only teaches us economics but also how to be a clever shopper, and much more. Here's a book review.

This is also available as a blog here - https://abhyudayjoshi.wordpress.com/2021/03/07/what-is-economics-harfords-know-it-all/