An old stamp. A royal mystery. And two sisters swept into the adventure of a lifetime.

When Lottie and Lulu find their Poppy’s forgotten stamp album in the attic, they think it’s just a dusty old relic—until one special stamp transports them straight to London.

Lost in a bustling city far from home, the girls soon discover they’ve become stamp travellers—part of a rare few who can journey across the world using magical stamps. But there’s no time to waste. A priceless royal stamp has gone missing, and if they don’t find it fast, the secret of stamp travel could be exposed forever.

With the help of Max, a mischievous boy with a mysterious past, Lottie and Lulu must crack clues, dodge danger, and unravel the truth—before they lose their way home for good.

Packed with mystery, humour, and heart, The Stamp Travellers: London is the first thrilling adventure in a magical new series for kids aged 7–12. Perfect for fans of The Magic Tree House, A Series of Unfortunate Events, and Nevermoor.