How can I get the knight?

Hint 1 of 5:

The knight is also in the big book, on page 2.

Hint 2 of 5:

Click on the tower to make the knight come out and talk to you.

Hint 3 of 5:

He'll need a path to walk on so he can get close enough to hear you.

Hint 4 of 5:

You'll have to paint it directly onto the page.

Hint 5 of 5:

Take the brush and then make some ink (another question will tell you how). 
Dip the brush in the ink, and then paint the page.