Move over, Bluey, there’s a new four-legged national treasure in town, and he’s got sea legs The National Museum of Australia has launched  Trim the Cat , a charming new children’s book that tells the tale of a courageous black-and-white feline who literally made history by sailing around the country. Written by acclaimed author Ursula Dubosarsky, Trim the Cat   follows the true story of Trim, the loyal sidekick to British navigator Matthew Flinders during his voyage to circu