Learning Curve (Sloan & Crosby 24)

Learning Curve (Sloan & Crosby 24) by Aird, Catherine. paperback edition. ISBN: 9780749020293.

Much-loved Calleshire research chemist Derek Tridgell has been ill for some time. On his deathbed, his incessant, but unintelligible mutterings culminate in a very clear cry of foul murder. Detective Inspector Sloan and Detective Constable Crosby are brought in to investigate whether these are just the ramblings of a man at deaths door, or a real confession at the final hour. Their enquiries uncover three tragic deaths that may or may not be linked to the deceaseds last words: an accidental drowning at a rival chemist manufacturer; an old friend of Dereks killed in a caving expedition whose body was never retrieved; Dereks son Paul walking away unscathed from a fatal car accident that killed one and left others irrevocably injured. With a tight-lipped Paul knowing more than hes letting on, Sloan and Crosby have their work cut out if theyre going to untangle this complex case ...