Blue Balliett

When thirteen high-value pieces of art are stolen from a secret museum, Calder, Petra, and Tommy are grouped with two new companions to solve puzzles that are complicated by the clever Mrs. Sharpe.

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.

On a cold winter day in Chicago, Early's father disappeared, and now she, her mother and her brother have been forced to flee their apartment and join the ranks of the homeless--and it is up to Early to hold her family together and solve the mystery surrounding her father.

Mary W. Chase died on Nantucket Island just over one hundred years ago, but she is still there, in the house she once lived in, and she wants to keep it that way-- but first she must somehow contact a group of children who are interested in preserving historic homes on the island.