Best Books About Stretching?

What are the best books on stretching in your opinion? Especialy i search for some new, advanced, non-traditional ideas.

(I´m stretching for big and strong, so i post it here, not to injuries and prehab. It´s completly broscience that stretching = prehab)

Maybe look into DC extreme stretching.

Becoming a Supple leopard

Relax into stretch by Pavel