Alone in His Teacher's House (Marvin Redpost 4)

Marvin is really excited to take care of his teacher’s dog while she’s away. He’ll even earn a bonus if he does a good job! And he gets to be alone in his teacher’s house! But when Mrs. North’s dog starts to look sick, Marvin isn’t sure he’ll get that bonus. In fact, Mrs. North may never talk to Marvin again!