What is the best or most interesting soaring book you have read?

I will be choosing a new one out of these, so any recommendations?

On Quite Wings
The Art and Technique of Soaring
Cross-Country Soaring
The Joy of Soaring
Soaring Valley
America's Soaring Book
Soaring Cross Country
With Wings as Eagles
The Powerless Ones
The Soaring Pilot
Once Upon a Thermal
Glider Flying
Gliding A Handbook on Soaring Flight
New Soaring Pilot
On Being a Bird
Soar America
Winning
Advanced Soaring
Soar Sierra