Ivory Ruin

This thrilling book captures the essence of man - at its worst.
Cornelius Ackroyd has been brutally murdered, and the weapon is an ivory dagger. The Ackroyd's immediately go into a frenzy, constantly pinning the blame on one another. As evidence is found, new evidence manages to contradict it. The only thing that can be for certain, is whoever murdered Cornelius Ackroyd is good at what they do, and has Ackroyd blood flowing through them. This mystery is bound to lock you in your seat until this terrifying incident is unravelled, and has even been claimed by critiques as rivaling today's leading fiction novels. Be prepared as a once benign family slowly rots into a dysfunctional group, all hoping to avenge Cornelius' murder.
Well... all but one.