• Chapter 1

• Chapter 2

• Chapter 3

• Chapter 4

• Chapter 9

• Chapter 10

• Chapter 11

• Chapter 12

              Chapter 9            

• Fibonacci Numbers: 1, 3, 5, 13, 15
   

• The Golden Ratio: 17, 19, 21, 23
   

• Fibonacci Numbers and Quadratic Equations: 25, 27, 29
   

•  Gnomons and Similarity: 33, 35, 39, 41, 43, 46