Chapters Twelve and Thirteen Summary

In Chapter Twelve, Ms. Hussey's class quickly becomes a museum and laboratory as they study Vermeer paintings and try to decide which are real and which are fakes. People everywhere are talking about art enthusiastically. No longer did one have to be an expert to have an opinion about art. On November 22nd the kids have tea with Mrs. Sharpe. Many objects in her home resemble objects in Vermeer paintings. They discuss Fort and how he has been important to them all. Mrs. Sharpe seems pleased with the theft, so the kids are worried by this. They wonder if she stole it. Also, problems with Tommy and Petra's dad continue. They add these problems to their list of odd events. They decide to go back to Mrs. Sharpe's house to see if she has any likely storage...