If you want to know what PUD-SWAN means then you can find out by solving this little puzzle. Once you have solved it you will be taken to the page which will contain the meaning for you to read.

1.You will find that some chapter titles in the book have been written differently from the others.

2. Can you spot which four chapters these are, and enter their numbers into the spaces below in numerical order

3. From what you have inserted in the blank spaces, make up a sum, which gives the answer of 7, by using [just once and in any order] a plus sign, a minus sign and a multiply sign.