On offer is a nice copy of a hardback book in d/w:

JOSEPH WRIGHT OF DERBY: PAINTER OF LIGHT by Benedict Nicholson

Published: Paul Mellon Centre London 1968 2 vols

Contents:  292, 221 pages with 6 tipped-in colour plates and 355 illustrations in b/w 

Measures 32 X 26 cms

This remains the standard work on Joseph Wright of Derby with a complete catalogue of the paintings

These are in very good condition for their age - see my photos