Potential patches of Earth's ancient crust, sometimes called "sunken worlds," may have just been discovered deep within the mantle, thanks to a new way of mapping the inside of our planet.

Comic creators Alan Cowsill, Leigh Gallagher, Nigel Parkinson and Tim Quinn are guests of The Book Stop in St. Helens, Lancashire, this coming Saturday, 18th January 2025, for a Q&A and signing event.