The characters from The Flea Thing & The Real Thing return in their most amazing and thrilling adventure yet. Trapped underground by a massive earthquake they find themselves beyond any hope of rescue, any hope of return to civilization. But not alone. Far from it, they find themselves in a strange underground world, a whole civilization on the cusp of a huge upheaval that will forever change the worlds below and above ground.
Used availability for Brian Falkner's Cave Dogs
June 2012 : USA, Canada, UK Kindle edition