Each year, marketers have a great opportunity to engage with shoppers in a fun and relatable way leading up to Halloween. However, in order for recipients to see your great and informational email copy, you’ll need an eye-catching subject line to stand out from all of the other content that will be flooding inboxes this time of year. We’ve rounded up 20 catchy, concise, and personal email subject lines for you to use this Halloween to capture your readers' attention!