Blue Balliett

When strange and seemingly unrelated events start to happen and a precious Vermeer painting disappears, eleven-year-olds Petra and Calder combine their talents to solve an international art scandal. First book in the series featuring art sleuth friends Calder and Petra.

When seventh-grader Calder Pillay disappears from a remote English village-- along with an Alexander Calder sculpture to which he has felt strangely drawn-- his friends Petra and Tommy fly from Chicago to help his father find him.

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.

In small-town Michigan, twelve-year-old Zoomy and his new friend Lorrol investigate the journal found inside a mysterious box and find family secrets and a more valuable treasure, while a dangerous stranger watches and waits.