- Review Make School's binary search tree resources
- Read Vaidehi Joshi's AVL tree article with beautiful drawings
- Play with VisuAlgo's interactive AVL tree visualization to follow rotations step-by-step
- Watch MIT's AVL tree video lecture to learn how maximum tree height is related to the golden ratio
- Read Julia Geist's AVL tree article and AVL tree slides with animations and code samples
- Play with USF's interactive animations of AVL trees and splay trees