<p>Matilda loves science and inventing. Her heroes are Marie Curie, Leonardo da Vinci and Thomas Edison, and one day she wants to be a famous inventor herself. So when she doesn¿t win the school science fair, she¿s devastated ¿ especially as the judges didn¿t believe she''d come up with her entry on her own. Because she''s a girl.<br><br>When Matilda shares her woes with her Grandma Joss, she''s astonished to learn her grandma was once a scientist herself ¿ an astrophysicist, who discovered her very own planet. Trouble is, Grandma Joss was also overlooked ¿ her boss, Professor Smocks, stole her discovery for himself. And he''s about to be presented with a Nobel Prize.<br><br>Matilda concocts a plan. They''ll crash the award ceremony and tell everyone the truth! So begins a race against time - and against Matilda''s strict mum and dad! - on a journey through Paris, Hamburg and Stockholm, and on which they encounter a famous film star, a circus, and a wanted diamond thief...</p>