Are there any specific training elements of the CFTS book that have changed/ been improved upon since it was written, or do the same principles discussed still apply?
CFTS is like a fine wine - it gets better with age! 
Are there any specific training elements of the CFTS book that have changed/ been improved upon since it was written, or do the same principles discussed still apply?
CFTS is like a fine wine - it gets better with age!