Appendix BDramatis Personae
Isaac is our intrepid, but quite reluctant hero and aspiring Mad Scientist. Thirteen-year-old boy, nervous type. Four years previously, Isaac and his sister survived a deadly fever. Ever since they recovered, Isaac has been a mechanical genius. Likes his tea plain with lemon biscuits.
Amelia is absolutely thrilled to be going on an adventure, any adventure will do, much to the horror of her family. Eleven-year-old girl, athletic and adventurous. Four years previously, Amelia and her brother ...