This book begins with an introduction by Agatha Christie explaining that this was one of her favorite books to write and waited until she had it fully fleshed out before she wrote it. With further research I realized that Crooked House was not written until 1949, over 20 years after her first book was published. You can tell by reading this how much thought Christie put into the murderer. The reader honestly cannot guess who is the murderer is since each family member of the crooked little house is just that... crooked. Each family member is unique, annoying, and have motive to kill their patriarch. But it isn't until the very last second that the truth is revealed by a letter of confession. Its funny that the murderer ends up being the character I liked the most, just shows how well Christie is at writing such interesting characters that you end up liking the murderer. I was excited to see that there is a recent movie that was made of this book so I can see it played out on screen since this book is now easily one of my top Christie novels.