Gaming and time travel collide in this exhilarating middle-grade adventure, from bestselling author Jennifer Bell. THE GAME IS ON. TRAVEL WITH WONDER. 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.