"Back in 1940 on the Island of Tenerife, a young child - Pedro Armaz, is supernaturally given words for a special book which made wishes come true. His family are very poor and so Pedro wishes for riches and great wealth which are granted. Many years later, Zelmut, Chief and Highness of Planet Mars, discovers the existence of the wishing book and wants it for himself so that he can become the ruler of the whole universe. He sends a Martian warrior to find the book and bring it back to Mars, but the warrior keeps the book and uses the book for his own selfish ends and never returns to Mars. Many years later, little John Carter aged 9, finds this book hidden under a floorboard in his bedroom. He tells his twin sister Penny and close friend Jimmy and together they have many small adventures and play pranks with the book. Eventually, they wish to go to Planet Mars and they tell their science teacher about this. They trust him and he agrees to go on the trip with them. This is where the action picks up. The children face betrayal and terror as they are faced with Martian warriors and flying creatures called Termans who are intent on getting the book off them. To add to their fear, Zelmut releases his prized weapon - the Blattidae. Eventually the children lose the Wishing Book and all hope of returning to Planet Earth is dashed. Zelmut seems intent on terminating them. Will he succeed? This is an edge of the seat book that will keep the reader gripped right until the end. With the many twists, it is impossible to know who they can trust."