If you want to contact Mark you can simply email: or ring 01642 606755. 

You could also talk to him on Twitter, if that's your preference: @thinkinpractice. (Thinking Practice is too many letters, it's not that a beat poetry affectation.)

For photos of books and art look at Mark's Instagram

Or send a postcard or a pigeon to 

THINKING PRACTICE/ 9 Chestnut Road, Eaglescliffe, Stockton-on-Tees TS16 0BA.