"A mysterious letter brings Conana and his friends to a mansion full of beautiful clocks that aren't quite behaving themselves. As Conan attempts to figure out what's wrong with the timepieces and who wrote the letter, he uncovers a tale of treasure, thieves and a family tree with very twisted branches."--Cover, p.4.

First published by Shogakukan, Inc. in Japan as "Meitantei Conan", c1994. "This book reads right to left"--P. [4] of cover.