Biggest Differences Between The It Movie And The Book

"It" underwent some changes before heading to the big screen.Brooke Palmer/Warner Bros.
The INSIDER Summary: 

There are a lot of differences between the novel and film adaptations of Stephen King's "It."

Several characters are given different characterizations.

The final showdown with Pennywise is sex also more action packed.
SPOILER WARNING: Key, important details from both the book and movie adaptations of Stephen King's "IT" are in play in this feature If you haven't yet seen the film and are sensitive to spoiling either experience, please bookmark this story for future reading and come back after you've caught up!