But it wasn't a PDF. It was massive, three feet tall, bound in dragon hide. It hummed with energy.
A real Tome of Adventure Design is full of random tables. Here are 5 original ones: tome of adventure design pdfcoffee
However, there are several resources and books on game design and adventure creation that might offer what you're looking for. Here are a few suggestions: But it wasn't a PDF
Use the model as a skeleton, expandable to 10, 15, or 20 rooms: three feet tall