Last Seen Online An addictive YA thriller set in sun-drenched LA about fame, obsession and toxic fandom. Read it if you love mysteries, true crime and Hollywood scandals

Fandom can be fatal! A contemporary YA murder mystery set in sun-drenched LA, for fans of Malibu Rising, We Were Liars and A Good Girl's Guide to Murder.
"Lauren James's books are addictive." Alice Oseman
"A wild trip into the world of fandom, social media and true crime." Laura Wood
"Fans of A Good Girl's Guide to Murder will love this twisty take on fame and fandom, told in true-crime style through blogposts, messages and a fast-paced narrative." The Guardian
The novel of Lauren James's hugely popular online story "An Unauthorized Fan Treatise"
When Delilah meets Sawyer Saffitz (son of Anya Saffitz, aka Hollywood royalty), she becomes hooked on a decade-old scandal. In her quest for the truth, Delilah uncovers blogposts written by the mysterious "gottiewrites" and is soon caught up in a world of greed, fandom conspiracy theories ... and murder. And the deeper Delilah digs, the more dangerous it becomes - because someone is willing to kill to hide the truth.