# The Mystery of the Vanishing Treasure

> 1966 novel by Robert Arthur Jr.

**Wikidata**: [Q7752928](https://www.wikidata.org/wiki/Q7752928)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Mystery_of_the_Vanishing_Treasure)  
**Source**: https://4ort.xyz/entity/the-mystery-of-the-vanishing-treasure