OK, this is only of interest to "Old Farts" - like me 
Some guy by the name of Tim Plewman (never heard of him before) has written a book which I might, stress on "might", just buy:
http://www.iol.co.za/lifestyle/how-an-old-fart-got-his-groove-back-1.1525238
... honest, I don't know this guy from Adam - but he seems to have me sussed out
Some guy by the name of Tim Plewman (never heard of him before) has written a book which I might, stress on "might", just buy:
http://www.iol.co.za/lifestyle/how-an-old-fart-got-his-groove-back-1.1525238
Plewman traces five different regimes for five different personality types (with different fitness levels), “like Mick, for whom finding a core is impossible”.
The people in the book don’t actually exist, but are a composite of friends Plewman has trained with over the years.
... honest, I don't know this guy from Adam - but he seems to have me sussed out