The Other Side of the Wall

The Other Side of the Wall follows siblings Tess and Max as they discover a hidden portal that sends them to London during the Christmas season. In the third book of the series, they wander through historic streets, take in period-specific customs, and get caught up in a mystery involving an old Victorian mansion. Their adventure forces them to solve time-linked clues while learning about the era they are visiting. The story mixes historical adventure with a light mystery for middle-grade readers.