Big Pumpkin, by Erica Silverman, is a fun story that follows along a "growing theme". It is based on some of the other children's stories, such as The Enormous Turnip. Using other 'Halloween-type" characters, a witch tries to pull up the BIG PUMPKIN she planted to make pumpkin pie.
Language
Labeling
Big/little
Articulation
This book is filled with stop consonants.
Other supplemental ideas/sites
http://www.apples4theteacher.com/coloring-pages/halloween/index.html
This has some fun reproducible coloring pages to go along with a Halloween theme
http://www.apples4theteacher.com/holidays/halloween/kids-crafts/index.html
Here are some great craft ideas to go along with the Halloween theme.
http://teacher.scholastic.com/lessonrepro/lessonplans/pumpkins.htm
This site gives a wide variety of activities to be used with a pumpkin theme. It provides information of activities for kids from preschool up to early elementary.
http://www.kinderthemes.com/pumpkins.html
This site provides supplemental info related to pumpkins, especially for pre-k & kindergarten. There is a list of fingerplays, songs, and other pumpkin friendly ideas.