Karl-Heinz ‘fed’ me the entire book over the next seven weeks. The metaphor is exact. The thin wads of pages were like crucial scraps of nutrition. I devoured them. I masticated, swallowed and digested that book. I cracked its bones and sipped its marrow; every fibre of meat, every cartilaginous module of gristle was dined on with gourmandising fervour.
