well yes you can consider reading byju's IAS books as they have very good quality content apart from that you can also have to read NCERT which is very important for the upsc examination point of view like-
1. Ancient india by RS sharma (NCERT)
2. Fundamentals of human geography (NCERT)
3. india people and economy (NCERT)
For further query feel free to ask!
Hope it helps!
GOOD LUCK for your preparation!