The first published urban adventure for the system.
https://www.drivethrurpg.com/product/411207/Is-Someone-Summoning-Demons-on-Third-Street?src=newest (https://www.drivethrurpg.com/product/411207/Is-Someone-Summoning-Demons-on-Third-Street?src=newest)
The OSR/D20 version is now up
Corrected URL
https://www.drivethrurpg.com/product/412276/OSR-Is-Someone-Summoning-Demons-on-Third-Street?src=newest