14. For a certain young adult reading material, if sold at the original price, a profit of 0.24 yuan is made per book; now it is sold at a reduced price, resulting in the sales volume doubling, and the profit increasing by 0.5 times. Question: How much has the price of each book been reduced?
14.【Solution】The average profit from selling 2 books at a discount is $0.24 \times\left(1+\frac{1}{2}\right)=0.36$ (yuan), with a profit of 0.18 yuan per book.

Therefore, the price reduction per book is $0.24-0.18=0.06$ (yuan)