Nestor Castle-a bestselling, award-winning extreme horror author-has the perfect life, having transitioned from indie darling to mainstream success. Although he dislikes the limelight, he finds comfort cooped up in his lake house with his loving wife and healthy daughter. However, after announcing his next book-a departure from the horror genre-he finds himself targeted by a disgruntled fan who calls himself 'Butterfly.'

Butterfly's messages grow more aggressive, more disturbing, and more threatening each time. When strange occurrences start happening around him, Nestor begins to fear that he is being stalked and he starts to suspect everyone-his agent, his neighbors, the deliveryman, his wife.

Who is Butterfly?

Jon Athan, the author of The Groomer and Lovesick, brings you a psychological horror novel with an extreme edge. There is a fine line between fan and fanatic. Will you cross it?

WARNING: This novel contains graphic content. Reader discretion is advised.