Uncle John is sending our lovable iFlush host Dwayne the lab rat on a new mission: find the most baffling mysteries of all time. How? By piloting the S.S. Throne, a one-rat toilet sub invented by four mad-scientist-plumbers, through the Interpipe Now, Dwayne can plunge readers through 96 pages of interactive Interpipe adventures without getting wet Every page has Uncle John's signature true stories and fantastic factoids, and readers use...