Pre-order the hugely entertaining slasher horror of the summer . . .--Willow is in need of an escape.A former sitcom star, she's been publicly shamed on the internet after posting something she really shouldn't have.She checks in to Camp Castaway, an adults-only retreat based at an old campground in the woods.It's the first night and the campers gather round the fire to tell some ghost stories. That's when Willow hears the tale of Knock Knock Nancy. A local urban legend about a witch, brutally beheaded in this very woodland.They say her restless spirit knocks on doors late at night. If you answer, she'll take your head.Willow doesn't believe in ghost stories. But the next day, a camper has vanished under mysterious circumstances. And then that evening, in her cabin, Willow hears it...Knock, Knock, Knock.--Praise for Josh Winning"Be sure to make the popcorn and dim the lights."Paul Tremblay, author of A Cabin At The End Of The World"Josh Winning has won my heart"Clay McLeod Chapman, author of The Remaking"Wow! No one can make us feel so much childhood nostalgia and then so much terror as Josh Winning! Absolutely loved it. This one's a killer."CJ Leede, Bram Stoker Award-nominated author of Maeve Fly"There was the impulse to binge just one more chapter before closing the covers, combined with layered characterization, sensitivity, and Winning's respect for and love of pop-culture and what it gives, and takes away."Deirdre Sullivan, author of Perfectly Preventable Deaths"A relentless supernatural page-ripper that doubled as pure catnip for the horror connoisseur in me."David Yoon, author of City of Orange"An all-consuming obsession...a perfect mash-up of Night Film and Harrow Lake."Dawn Kurtagich, author of The Creeper Man