The third book in the series that began with the Newbery Medal–winning Sarah, Plain and Tall by Patricia MacLachlan.
 
In Caleb's Story, Anna has done something terrible. She has given me a journal to fill.
"It's your job now," Anna says as she hands Caleb her journals, asking him to continue writing the family story. But Sarah, Jacob, Anna, Caleb, and their new little sister, Cassie, have already formed a family, and Caleb fears there will be nothing left to write about. That is, before Cassie discovers a mysterious old man in the barn, and everything changes. Everyone is excited about the arrival of a new family member—except for Jacob, who holds a bitter grudge. Only the special love of Caleb, and the gift he offers, can help to mend the pain of the past.