It is not very difficult to draw a bell icon in Illustrator. Here you can find the steps to draw a bell icon. Also, you can watch the youtube video below if you wish. you also find the free bell
in this video tutorial, you will find instructions to draw a perspective open book. Many illustrator facilities are used to make the book. The more you add effect the more you obtain realistic look.
This triangle tutorial shows how to draw three different triangle shapes in illustrator