When Jade explores her auntie's shed, she finds it packed with historical treasures. But that's just the beginning of her adventures, as she travels back in time to the Middle Ages on the trail of a stolen unicorn. Help Jade and her new friend Jack to solve the puzzles, find the unicorn and save the day. This brand-new adventure, featuring Jade, Jack and Leo the dog, is packed full of interactive puzzles and comic strips. Usborne Puzzle Adventures have been delighting young adventurers since 1984.