★ 6.5
★ 5.9
★ 6.6
★ 5.7
★ 9.0
★ 7.3
★ 6.2
★ 7.6
★ 5.4
★ 4.8
★ 7.2
★ 7.5
★ 3.5
★ 7.7
★ 5.3
★ 7.8
★ 6.8
A fabulous world below the world
An Edinburgh professor and assorted colleagues follow an explorer's trail down an extinct Icelandic volcano to the earth's center.