The Seven Crystal Balls

Author/Contributor(s):	Herge
Publisher:	Little, Brown Books for Young Readers
Date:	09/30/1975
Binding:	Paperback
Condition:	NEW

The classic graphic novel. Seven explorers return from an expedition in the Andes, where they unearthed the tomb of an Incan priest. One by one, they fall into a coma. Can Tintin figure out what is causing the mysterious illness?