Friday is here! The race is on to find the secret of the Middle House. The fifth eagerly awaited installment in Garth Nix's best selling fantasy series,The Keys to the Kingdom.Arthur Penhaligon's adventures in the House get ever more perilous as the week unfolds. On the fifth day, there was fear...Four of the seven Trustees have been defeated and their Keys taken, but for Arthur, the week is still...