by Neal Layton
Oscar and his sister Arabella are beginning school at the Mammoth Academy. Oscar doesn't like school that much, but he likes the extras like sports and making new friends. When Oscar is accused of stealing oranges from the cafeteria, he has to track down the true culprit! Could it be that HUMANS have found the academy and want to hunt down the mammoths? Oscar and his friend Fox must save the school from attack!