Grit Blocs - 100 of the finest boulder problems on Pennine gritstone

Grit Blocs: 100 of the finest boulder problems on Pennine gritstone by Dave Parry showcases 100 of the finest must-do boulder problems on the gritstone outcrops, edges and quarries of the Pennines. The stunning photography is accompanied by texts that expand on the context and characteristics of the boulder problems.