Sunshine and the Shadow Master(1995)
(The fifth book in the Jones Gang series)
A novel by Christine Rimmer
Heather was a widow leading a quiet life.Her brother-in-law Lucas was a scandalous celebrity.Only their shared desperation over Lucas' runaway son could have plunged them into a night of dangerously explosive desire.
Used availability for Christine Rimmer's Sunshine and the Shadow Master
August 1995 : UK Mass Market Paperback
July 2012 : USA, Canada Kindle edition