What is the summary of the story the ups and downs of being Luis by Karen mollett?

Luis is living with his aunt,mom,siblings and cousins in a urban area. One day he saw a big umbrella.Too big for him to give space. On there apartment, he open his umbrella and take a space his baby sister first saw it and cried. My brother saw it too and say "Birdie, birdie" . His cousin saw it, " Hey its true beautiful, like a colored glass". He say "No! don't touch it!". His mom said " Put it under the light now" . His Sister said " Look its too beautiful.". His aunt look like she doesn't know what is it.He need some privacy that time because he got his report card. Because he got low grades.