Henry Carter Hull

In Brooklyn, New York, twelve-year-old dog-walker Maggie, aided by her twin brother Finn and best friend Lucy, investigates someone she believes is stealing pets.

Life is confusing for seventh-grader Maggie, who must track down a missing person and find out who is behind a string of dog eggings at the local dog run, while also dealing with issues involving her brother, two of her friends.

At an English boarding school in the 1930s, crime-solving friends Hazel Wong and Daisy Wells struggle to find an exciting mystery to investigate until Hazel discovers the dead body of Miss Bell, the science teacher.

When Sam, who can barely read, discovers an old newspaper clipping just before his eleventh birthday, it brings forth memories from his past, and, with the help of a new friend at school and the castle they are building for a school project, his questions are eventually answered.

In the midst of a series of unexplained accidents and mysterious coincidences, sixth-graders Calder, Petra, and Tommy lead their classmates in an attempt to keep Frank Lloyd Wright's famous Robie House from being demolished.