The Genie and the Curly-Tailed Pig.

“He’s big,” Mark blurted out. He trembled as he stared at the genie’s sinister smile. “He’s r-really b-big.”

“And he’s all yours for the next fourteen days. He can’t come back to me for two weeks, but maybe you can find someone else to unload him on.”

Mark was barely listening as he caught sight of a large, curved sword hanging on the genie’s belt. His stomach tightened. Why does he need a weapon? he thought.