The Whole Erk Catalogue Tales of a Geek Abroad

"You see? There is a mysterious grating in this mysterious nook! Nobody knows what lurks behind it besides the numerous caretakers of the building, most local residents, and anyone who has gone on a tour of the Valkenburg caves and can put two and two together! Now look and I shall further unravel the mystery, while simultaneously deepening it!"

But I thought Eric was peeing? Back to part 2!
Deepen! Unravel! Use imperative form verbs! On to part 4, the thrilling conclusion!