I remember this from art ... Mono-chromatic we only used one color to create different shades so the answer is one
Harry Potter - J.K. Rowling
Lord of the Rings - J.R.R. Tolkien
Wings of Fire - Tui T. Sutherland
Diary of a Wimpy Kid - Jeff Kinney
Percy Jackson - Rick Riordan
Captain Underpants - Dav Pilkey
Yeah im gonna go ahead and say false
