Kids will be interested to know that poison ivy isn't all bad - it can make a good support for nests, provide shade, nectar for bees, food for insects, white berries for hungry birds in the winter, and more. The oily chemical, urushiol, which gives approximately 85% of us a nasty rash, isn't harmful to animal who depend on it. I loved the painted paper illustrations, given a 3-D effect by layering and photographing the result.