Bari subbed for Teresa for science today as Andrew Mohler was out sick last period. Teresa left great substitute plans. Unfortunately, it turns out, we couldn't do the above lesson as Mercer said he didn't have his science book. I looked in his room cabinet and couldn't find his science book. I asked him if it was at home. He said, "I never take it home." Mercer said he thought he saw his science book last week, but couldn't remember where. His copy of "Hank the Cow Dog" met the same, fate, as well. So we spent the period working on Geography and reviewed some more of "Treasure Island."