The first in an exciting multiversal adventure series! Twelve-year-old Fyn Carter has always wondered why his dad disappeared eight years ago, so when a world window appears in his living room and a mysterious man warns him to beware of the agents, he cannot help but feel this is the clue he's been waiting for. Setting off on a perilous journey with his best friend Amy, his Grandad Bernie, and a fox named Henry Flame, Fyn must race the agents of Eromlos to find the answers he needs. The multiverse is at risk, but Fyn doesn't realise that he himself is the missing key.