Search for "Biblioteca Secreta" directly in the Telegram search bar.

Based on leaked channel descriptions and user testimonials from Dutch book forums, the "NL exclusive" collection is astonishingly curated. Here is a sample inventory from a now-defunct channel called De Verborgen Plank (The Hidden Shelf):

Create a new Private Channel in Telegram and name it "Biblioteca Secreta".

The Biblioteca Secreta’s activities occupy a gray zone. While preservation and scholarly access are valuable, sharing copyrighted works without permission raises legal and ethical issues. Some members emphasize public-domain and permissioned materials; others push boundaries. Responsible stewardship — prioritizing public-domain texts, obtaining permissions when possible, and using secure, privacy-respecting platforms — is central to sustainable practice.