Amazon Alexa SDE2 onsite preparation

I have an interview scheduled in a month. Should I just start with practicing Amazon Top interview questions initially and then move onto solving amazon tagged questions as much as I can or is there something better that I can do. I am looking to learn the concepts along the way but it would be nice to know if I’m asked something that I solved before. For system design, I am looking at Grokking the system design and System design primer donne martin. Would this be good enough to cover System design? For leadership principles, I am referring https://medium.com/@scarletinked/are-you-the-leader-were-looking-for-interviewing-at-amazon-8301d787815d Please help TC: 140k

Interviewing at Amazon - Leadership Principles

Medium