The Idol of Cthulhu Kickstarter is for more than just an adventure in a book or pdf. They’ve got every angle covered, with ambiance music, props, and more. If you’re in charge of a Call of Cthulhu game, you’d do right by your players to go check out the Kickstarter campaign.
From the campaign:
THE IDOL OF CTHULHU is a scenario for The Call of Cthulhu™ role-playing game, licensed by Chaosium, written by Matt Sanderson. It can been played as any CoC module, but it will have props specially created for it that will enhance your gaming experience.
The campaign’s more than 3x funded, but there’s only 6 days left to get in on it.