For ryle1

[julian1]

Resources for Drills
The Tennis Drill Book by Tina Hoskins
Double Tennis Tactics by Louis Cayer ( the book plus DVD)
see as well

http://www.tennis.com.au/wp-content/uploads/2010/08/Scientific-Principles-in-singles.pdf

[DougEng]

Resources for Drills
The Tennis Drill Book by Tina Hoskins
Double Tennis Tactics by Louis Cayer ( the book plus DVD)
see as well
http://www.tennis.com.au/wp-content/...in-singles.pdf

I'd recommend only the second book, Julian.

[jryle1]

Thanks very much julian1. I'll check these resources out and have a look.

Jonathan.