. . "Detective and mystery stories" . . . "With the help of their rambunctious dog, Hooligan, seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, investigate when Dorothy's ruby slippers vanish while on loan to the White House." . . . "Juvenile works" . . "Electronic books" . . . . . "Fiction" . . . "The case of the ruby slippers" . . . . . "Washington (D.C.)" . . "JUVENILE FICTION / General" . .