Author: Herge.

Series: Tintin.

A terrifying coma strikes the seven scientists recently back from an expedition to the Andes in search of the tomb of Inca king Rascar Capac. Can this be the curse of the Inca gods? The only clue is the crystal ball lying beside each victim. But the mystery deepens as Professor Efflwfia goes missing... only Tintin and Capten Hadog can track him down.

Awdur: Herge.

Cyfres: Tintin

Mae salwch difrifol yn taro saith gwyddonydd fu ar daith i'r Andes i chwilio am feddrod brenin yr Inca, Rascar Capac. Tybed ai dialedd yr Inca sydd ar waith? Yr unig gliw yw saith pelen grisial. Ond mae'r dirgelwch yn troi'n fwy astrus fyth pan mae'r Athro Efflwfia yn diflannu - a Tintin a'r Capten Hadog yw'r unig rai all ddod o hyd iddo.