ST. LOUIS, 2016-Oct-15 — /EPR Retail News/ — Build-A-Bear Workshop, Inc. (NYSE: BBW), an interactive destination where guests can create personalized furry friends, introduces a trio of spooky characters as well as fun costumes for furry friends this Halloween. The Halloween collection is currently haunting the Build-A-Bear Workshop website and stores while supplies last and will include: Mummy…