Willie's Books is an establishment in Mt. Pleasant. Its phone number is 555-1140. Merrick Campbell used to work there Mondays and Wednesday and it was where Professor Hubert Windlenot met him, and where Beth Ann Nelson stalked him.
It was apparently Merrick's second job. The name and phone number of the store was written by Beth on a hastily-written paper and then attached to Beth Ann Nelson's Address Book with a paper clip ove an earlier entry that was struck out.