Summary, Felix, who has a gift for mental communication, is enlisted by the Frog Princess to help recover her magic moonstone from a mean neighbor's garden.
Roger's eccentric, junk-collecting friend Kenneth takes him on an awesome undersea ride in a homemade submarine. Their visit to a subaqueous cavern turns up a wonderful surprise: a cache of supervaluable baseball cards!
Illus. in full color. Poor Walter has not only lost a tooth, he's also managed to lose his lost tooth. His chances of getting his quarter look slim, and the apprentice tooth fairy assigned to pick up the tooth is in hot water in this imaginative romp for young readers.