This preowned, hardback book (complete with dustjacket though NOT in perfect condition) and 584 pages was published by World Ship Society in 1988. It was written by Stephen Rabson and Kevin O,Donoghue.
This very comprehensive history of the company stretched from its beginning in 1815 to the newbuildings of a new P&O Group in the 1980s.
There is a section of flags and funnels, and finally an index of ships' names and their derivations.