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.
When their pet cockroach disappears and then reappears wearing a tiny transmitter, seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, search for spies in the White House.
Seven-year-old Tessa and ten-year-old Cameron, daughters of the first female president--and owners of a very rambunctious dog--play detective when a baton belonging to the director of the Marine Band goes missing at the White House.
Seven-year-old Tessa and ten-year-old Cammie, the first female president's daughters, investigate when gold is discovered on the White House grounds and Tessa's piggy bank goes missing.
Seven-year-old Tessa and ten-year-old Cammie, the first female president's daughters, investigate when a diamond goes missing from the collar of their very rambunctious dog.