3.Unicorn vs. Goblins (Phoebe and Her Unicorn Series Book 3): Another Phoebe and Her Unicorn Adventure
4.[Seven Harry Potter Books] Harry Potter and the Sorcerer's Stone. [Together with:] Harry Potter and the Chamber of Secrets. [And:] Harry Potter and the Prisoner of Azkaban. [And:] Harry Potter and the Goblet of Fire. [And:] Harry Potter the Order of the Phoenix [And] Harry Potter and the Half-Blood Prince. [And] Harry Potter and the Deathly Hallows.