《洞的哲学：探索空洞中的无限可能》兽妃周玉

　　Meek, little inventor Calvin Q. Calculus defies the ranting of his battle-ax wife and invents a portable hole, which will revolutionize dog bone storage, rescue of babies from safes, and golfer putts. But a thief steals Calculus' supply of portable holes and uses them to go on a crime spree.