Which 'Harry Potter' book talks about a character named Blaise Zabini?

Question:

Which 'Harry Potter' book talks about a character named Blaise Zabini?

Best Answer - Chosen by Asker: Blaise Zabini was talked about in Harry Potter and the Half-Blood Prince-the sixth one. Blaise was in Slughorns "Slug Club", along with Ginny, Harry, Neville, and other students.
Blaise was, however, mentioned passing by in Harry Potter and the Sorcerers Stone-the first one.