Somebody is vandalizing exhibits at the Capitol City Museum of American History, and it is up to twelve-year-old Raining Sam and his friends to find the culprit before irreparable damage is done.
When the plans for the Bat-Wing, a historical aircraft, disappear from the Capitol City Air and Space Museum, eleven-year-old Amal Farah's father is blamed, and it is up to the four young friends to solve the mystery and save her father's job.
Somebody is vandalizing exhibits at the Capitol City Museum of American History, and it is up to twelve-year-old Raining Sam and his friends to find the culprit before irreparable damage is done.
When a series of accidents and other strange happenings at the Capitol City Natural History Museum lead to rumors that the museum is being haunted by the ghost of a Pterosaur, ten-year-old Wilson Kipper and his friends set out to solve the mystery.
When the plans for the Bat-Wing, a historical aircraft, disappear from the Capitol City Air and Space Museum, eleven-year-old Amal Farah's father is blamed, and it is up to the four young friends to solve the mystery and save her father's job.
When a priceless sculpture disappears from the Capitol City Art Museum, thirteen-year-old Clementine Wim, daughter of an assistant curator, and her three friends set out to solve the mystery and recover the Statue of Gudea.
