"Jeena Helena Shadowhunter, a prodigy among shadowhunters and a master of the Seraph Blade, arrives at the New York Institute with a mission: to inspect its defenses and its leadership. Alec Lightwood, the head of the Institute, is prepared for her sharp eye and high standards. What he isn't prepared for is the way her presence disrupts the shadows of his world. Amidst battles, secrets, and growing trust, the two must navigate a bond forged by duty-and something far deeper."

In the small, seemingly ordinary town of Eldoria, teenager Lily Grayson discovers a hidden library in her attic filled with ancient books and artifacts. Among them, she finds an enchanted journal that holds the key to time travel. As she delves deeper, Lily is transported to different eras, from medieval kingdoms to futuristic cities. Each journey reveals secrets about her family's past and a looming threat that could alter the fabric of time itself. With the help of friends she meets along the way, Lily must navigate through history, solve riddles, and confront dark forces to protect her world and the future.