What is the author's style in Wooden by John Wooden?

The story is written in first person. The book takes moments where John is remembering things and that is written in past tense. There are times when he is talking about current life aspects that are written in present tense and moments when he is talking about what will happen later on that are written in future tense. The book is based on John Woodens opinions on life, basketball, and other things.