Book 3

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.

Book 4

Seven-year-old Tessa and ten-year-old Cammie, the first female president's daughters, investigate when Tessa's piggy bank goes missing--and inside it is a valuable coin that was uncovered by archaeologists on the White House grounds.

Book 5

Seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, and their dog Hooligan, investigate when an ostrich egg is substituted for a rare dinosaur egg on loan from another country.

Book 6



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.