1. The Picture of Dorian Gray by Oscar Wilde- This book is regarded as one of Wilde's greatest works. It's a story of a man who wants to stay young forever. It artfully blends comedy and satire to offer a great read.
2. The Great Gatsby by F. Scott Fitzgerald- This book is recognized as one of the best books ever written. It is a tale of excess and decadence, which gets darker as the true nature of the protagonists comes to the front
4. Animal Farm by George Orwell- Easily one of the author's most popular works, Animal Farm is a political satire which puts the various political leaders as pigs on a farm. It's interesting, captivating and short.
5. Slaughterhouse-Five by Kurt Vonnegut- It has all the elements of a compelling read- aliens, time travel, WWII history, etc. A book that defies categorization of any kind has to be read to be understood.