Purchase Pretty Little Liars Box Set Books 1 To 4 worth Rs. 1499 at Rs. 665 Only from flipkart. Pretty Little Liars (Set Of 4 Books) is a set of four novels hailing from the young-adult genre that describes a dark, tumultuous tale revolving around four high school friends who find themselves thrown into a series of gripping changes in their life, providing a storyline filled with suspense, drama, lies and intrigue.