When Arthur, Ren and Cecily investigate a mysterious explosion on their way to school, they find themselves trapped aboard The Principia – a scientific research ship sailing through hazardous waters, captained by one Isaac Newton.Lost in the year 2473 in the Wonderscape, an epic in-reality adventure game, they must call on the help of some unlikely historical heroes, to play their way home before time runs out.Jumanji meets Ready Player One in this fast-paced adventure featuring incredible real-life heroes, from the internationally bestselling author of The Uncommoners series.