10 books • 4 series
Book #1: Spy Classroom 2nd Period: Daughter Dearest, Vol. 1 (Manga)
Book #4: Spy Classroom, Vol. 4 (light novel)
Book #1: Spy Classroom Short Story Collection, Vol. 1 (light novel)
Book #3: Spy Classroom Short Story Collection, Vol. 3 (light novel)
