<human>:  How many pages are there in the book ‘The Insects and the Pests’?
<bot>: There are a total of 256 pages in the book. The book is divided into four parts: Part 1, Part 2, Part 3, and Part 4. Part 1 is the introduction, Part 2 is the main part of the book, Part 3 is the conclusion, and Part 4 is the appendix.