Today, Google is honoring English author Douglas Adams with a fun little interactive Doodle.

Adams began his writing career in the mid 1970s and soon got a break writing for Monty Python. Soon after this small job, Adams was forced to take on odd jobs as his writing career stalled. In the late 70s, Adams worked in radio and even became a producer for the BBC. He also worked writing for the TV series Doctor Who.

But of course, Adams is best-known for his breakthrough 1979 novel The Hitchhiker’s Guide to the Galaxy, which actually started out as a radio comedy series. Hitchhiker’s Guide served as the first book in a “trilogy” that consisted of five novels, the last being published in 1992.

The Hitchhiker’s “trilogy” has sold over 15 million copies.

Adams is also know for the novels Dirk Gently’s Holistic Detective AgencyThe Long Dark Tea-Time of the Soul.

Adams died of a heart attack on May 11, 2001 at the age of 49. Today’s Google Doodle honors what would have been Adams’ 61st birthday.

Fans of Adams’ work will be able to spot plenty of references inside today’s interactive Doodle.

Check out the video below for a look at the different animations in today’s Doodle.