4.Otto is a boy from outer space who gets confused when he takes what people say literally.However when hhe's in a treasure hunt at school,he's able to solve the clues and beat the other children to the treasure.
5.when spanner the robot plants his flag on a new planet,he discovers that the planet is a space monster!captian Comet leads the space monster into a group of asteroids and when it starts to eat them ,he and Spanner make their escape.
6不管了,自己打,書的扉上 about this book