N Or M?
Agatha Christie
Tommy and Tuppence (3)
The Ship Who Saved the Worlds: The Ship Who Won & The Ship Errant
Anne McCaffrey & Jody Lynn Nye & James Baen
Omnibus Edition (3)
Murder Is Easy
Superintendent Battle (4)
The Last Shadow
Orson Scott Card
The Shadow Saga (6)
Outliers: The Story of Success
Malcolm Gladwell