High Adventure, Deep Underground
- Writer: Alan Grant
- Illustrators: Robin Smith, LEGO Media International
- Publisher: LEGO Systems Inc.
High Adventure, Deep Underground was a Rock Raiders graphic novel, released in 2000. The graphic novel tells, from Jet’s point-of-view and in greater detail, the events on Planet U.
There are a few puzzles included in the book. At the back of the book are inspiration models for the Granite Grinder, LMS Explorer (Which is mistakenly labeled as "HMS Explorer"), Rapid Rider, Rock Monster, Rock Raiders HQ, and Small Transport Truck.