“My Sweet Capricorn, Spending the weekend with you was divine. But we must tread more carefully if we want to keep this secret from our spouses. You left a pair of your shoes (brogues size ten) in the lounge. Be more careful next time. Your lover. X”
This letter is written in the same hieroglyphic alphabet you decoded earlier (on pages 28-29). Simply use that alphabet to decode this ciphered letter.