Eleven-year-old Dal Wilkins has high hopes for his summer vacation He istraveling out west on a real Pullman train to the land of cowboys and bucking broncos. At least that's the west that Dal, a city kid, imagines. The catch? Dal's traveling partner is Mr. Sabatini, his new stepfather. Mr. Sabatini is okay, maybe, but Dal can't imagine thinking of him as his dad. At first, summer in Eden , Idaho, isn't quite what Dal expects. He and Mr. Sabatini...