From the publishers blurb:
An Old-School Setting of Young Adult & Romantic Fantasy
When you were young, you thought the great walls of Barrow Keep would keep you safe. But now you're coming of age, and you realize how many troubles have been inside these walls all along: duplicitous courtiers, treacherous kin, and puritanical heresy-hunters. How will you protect yourself and your friends?
Barrow Keep is a low-prep, old-school setting driven by playbooks and adaptable, easy-to-run scenarios. You play the young residents of the Keep, coming of age while dealing with mysteries, treacheries, and intrigues.
Barrow Keep: Den of Spies, the zine, with content for both players and GMs, including system-neutral rules for ritual magic, custom equipment, and information on the Keep, its residents, and environs.
Old School Essentials Playkit with everything you need to run your first Barrow Keep game with OSE: 10 PC Playbooks, including seven new OSE/BX character classes, and 2 Scenario Packs.
Sharp Swords & Sinister Spells Playkit with the playbooks and scenarios to run Barrow Keep with Diogo Nogueira's Sharp Swords & Sinister Spells, with details for several new Sharp Swords archetypes.