Vampire Academy 4

Editorial Hidra

Vampire Academy 4: Promesa de sangre            

Penguin

Vampire Academy: Blood Promise (book 4): Richelle Mead

Razorbill

Vampire Academy Box Set 1-6: Vampire Academy, Frostbite, Shadow Kiss, Blood Promise, Spirit Bound, Last Sacrifice

Yirui

Zodiac Academy 4: Shadow Princess (English Edition)

LYX.digital

Vampire Academy - Blutschwur (Vampire-Academy-Reihe 4) (German Edition)

Penguin

Vampire Academy Books 4-6 (English Edition)      

Vampire Academy: Tome 4 (French Edition)        

Ironwood Academy Book 4: Vampire Trial: Reverse Harem Urban Fantasy Romance (English Edition)

American Mythology Productions

Starring Sonya Devereaux: Vampire Academy 4 #2 (English Edition)

Independently published

Redemption: Academy of Vampires: 4 (The Alexa Montgomery Series)