If you can't get the book then go to this link to learn how-to do the activity:
http://parentables.howstuffworks.com/family-matters/look-what-you-can-do-leaf.html
Autumnbling: poems and paintings by Douglas Florian
Fletcher and the Falling Leaves by Julia Rawlinson
Leaf Man by Lois Ehlert
Fall Color and Woodlawn Harvest Guide by C. Ritchie Bell