A noted author, speaker, and humorist is visiting Knoxville on Thursday. Charlene Baumbich will be this month’s guest speaker in the Expert Edge Seminar Series at noon on Thursday at Peace Tree Brewing Company. You can register for that event by calling the Knoxville Chamber. Baumbich will have a book signing at The Next Chapter at two that afternoon, and will be back at Peace Tree for a free program at 5:30.