favourite book series of all time

• harry potter
  • by j.k rowling
• a song of ice and fire
  • by george r.r. martin
• twilight
  • by stephanie meyer
• the mortal instruments, the infernal devices
  • by cassandra clare
• vampire academy, bloodlines
  • by richelle mead
• percy jackson & the olympians
  • by rick riordan
• addicted, calloway sisters
  • by krista & becca ritchie
• winger
  • by andrew smith
• gone girl
  • by gillian flynn