Question: what order does the pretty little liars books go in?
Answer: Book 1. Pretty Little Liars: Number 1 in series. Book 1. ... , Book 2. Perfect. Book 2. ... , Book 3. Wicked: Number 5 in series. Book 3. ... , Book 4. Killer: Number 6 in series. Book 4. ... , Book 5. Heartless: Number 7 in series. Book 5. ... , Book 6. Wanted: Number 8 in series. Book 6. ... , Book 7. Twisted: Number 9 in series. ... , Book 8. Ruthless: Number 10 in series.