The Sleepless by Jen Williams is a gripping fantasy novel that plunges readers into a dark, immersive world where danger, magic, and mystery intertwine. The story follows a group of characters haunted by secrets and facing relentless threats, both supernatural and human. As tensions rise and challenges multiply, they must confront fears, navigate treacherous alliances, and uncover hidden truths to survive. With richly imagined settings, intricate plots, and well-drawn characters, the book offers a thrilling mix of suspense, adventure, and emotional depth, keeping readers hooked from start to finish.

Written by Jen Williams, a bestselling novelist celebrated for her richly detailed fantasy worlds, suspenseful storytelling, and compelling characters that appeal to both adult and young adult readers.