There's a six page preview of it here.
Another article tells how she picked up the brush because she got frustrated with writing on the computer. It's just too easy to delete what you've written before you get a chance to see what it might become. Creativity in writing is very connected to handwriting for her. She says,
When I was a kid, I never wrote without first having a book to write in. The simple act of folding sheets of paper and stapling them inside a construction paper cover was the first step in writing a book. The second was the movement of a pencil on paper. For most kids, once the experience of writing or drawing is over, the story itself isn’t so important.
Some studies show that for children, handwriting and stories are intertwined. The very motion of writing by hand encourages creativity. The same is true for drawing. It’s only later in life that action and intent part ways.
About her series of monkey paintings, she says,
The vehicle of ink and brush is available to anyone. The picture you make is not so important. Move your brush not to make a picture, but make a picture in order to move your brush.