The Missing Melbourne Coins (B1) – Book + MP3 allango.net

Just before they board the plane to Melbourne for a rather epic school trip, Amelia and William are confronted with an unexpected development. It involves a missing chest of coins worth a fortune. This development leaves the two scratching their heads throughout the 21-hour flight. They must rise to the challenge, think fast and put their knowledge of Melbourne and Australian history to the test, because they are not the only ones on the plane on the same mission...