Which Michael crichton novel IN 1980?

There is no Michael Crichton novel published in 1980.

Here are some of his novels published around that time:

* 1972: The Andromeda Strain

* 1973: The Terminal Man

* 1976: The Great Train Robbery

* 1978: The Eaters of the Dead

* 1979: Sphere

* 1980: None

* 1982: Congo

I hope this helps!