Merry Devils. The dramatic Elizabethan whodunnit, Paperback/Edward Marston

The audience was merry indeed when a third devilish imp joined the two that were written into the script. But backstage all was uproar. The third demon seemed far too real. Even Nicholas Bracewell, the company mainstay, was shaken. Before the curtain rose again, Lord Westfield's Men would know danger as they'd never known it before ...