This book was... interesting. First of all, it was kind of creepy (page 139!!!) And now I need to check if any grown-ups aren't perhaps (WAIT STOP don't read the next word because it could spoil the book for you...!)
robots. And I also need to read the second book, "In Over Their Heads". (This is one of those books where you have to read the sequel to discover how the characters save the world.) I expected it to be better but I can still recommend it if you'd like to read about robots and humans or robots taking over the world. I would give it 3 out of 5 stars.