In this first-ever standalone full-color edition, Castle is lavishly reborn in digitally finished drawings rendered with felt-tip markers and colored pencils. Factual and artistic details shine in light of newly researched information. With characteristic zest and wit. Architecture enthusiasts of all ages will marvel at the staggering possibilities of human imagination and ingenuity

Follows a tour of the bathroom and the sewer system, from the family toilets to municipal water treatment plants.