Joe Baker is well known and highly recommended for any player interested in improving and or learning pickleball strategy.
Doubles Pickleball Strategy 101-How to Play Smart, Ten Tips
Doubles Pickleball Strategy 102 – Smart Pickleball Vol. 2, Power
Pickleball Strategy 301 – Six Rules of the Fast Game
Backboard Wall Drills for Pickleball
Backboard Wall Drills for Pickleball Volume 2