There's so much more to CS theory than big O notation and you're in for a treat if you check out any of the below - happy to share more if people are interested

There's so much more to CS theory than big O notation and you're in for a treat if you check out any of the below - happy to share more if people are interested. 1. https://www.amazon.com/Computational-Complexity-Approach-Sanjeev-Arora/dp/0521424267/ref=sr_1_3?keywords=complexity+theory&qid=1566146955&s=gateway&sr=8-3 https://www.amazon.com/Computational-Complexity-Approach-San... 2. https://www.amazon.com/Quantum-Computing-since-Democritus-Aaronson/dp/0521199565/ref=sr_1_1?crid=H43HH53HNDKQ&keywords=quantum+computing+since+democritus&qid=1566146985&s=gateway&sprefix=quantum+computing+since+dem%2Caps%2C191&sr=8-1 https://www.amazon.com/Quantum-Computing-since-Democritus-Aa... 3. https://www.amazon.com/G%C3%B6del-Escher-Bach-Eternal-Golden/dp/0465026567/ref=sr_1_1?keywords=godel+escher+bach&qid=1566147014&s=gateway&sr=8-1 https://www.amazon.com/G%C3%B6del-Escher-Bach-Eternal-Golden... 4. https://www.amazon.com/Introduction-Theory-Computation-Michael-Sipser/dp/113318779X/ref=sr_1_1?keywords=sipser&qid=1566147058&s=gateway&sr=8-1 https://www.amazon.com/Introduction-Theory-Computation-Micha...