Poor Principal Walter Russ. He's desperate for designer Florence Waters to renovate the school’s disgusting basement bathrooms, and the stress is causing him to get, ahem, all clogged up. Luckily, during their stressful summer school internships, the sixth graders uncover the perfect way for everyone to relax: by enjoying an ancient Roman spa and bath buried in the school’s basement! The fourth book in the Regarding the . . . series overflows with toilet humor. In their award-winning style that features newspaper spreads, letters, ads, and puns galore, the fabulous Klise sisters have created an unforgettable story about persistance, friendship, and learning to relax a little!