Welcome! The Howl or HO World List is dedicated to dialog on HO Slot Cars. We are unmoderated, so we expect everyone to follow the common rules of courtesy when posting. This list was started in 2001 by "Slot Car Bob", aka - Bob Marketos. The HOWL acronym was Ed Penland's idea, ......... really! To subscribe to the HOWL list, simply visit HO World and sign up. Enjoy your visit to the largest HO slot 'zine on the web! If you are already a subscriber, these pages will show you how to change your options, or unsubscribe.