Freedom and Confinement
I will always remember when the stars fell down around me and lifted me up above the George Washington Bridge. 
Through the power of imagination, Cassie can free herself from the confines of her apartment building.
I could see our tiny rooftop, with Mommy and Daddy and Mr. and Mrs. Honey, our next-door neighbors, still playing cards as if nothing was going on […] 
Cassie and her family live in a small apartment in New York City. They like to go up on the roof when they need a break from their hot apartment.
Sleeping on Tar Beach was magical. Lying on the roof in the night, with stars and skyscraper buildings all around me, made me feel rich […] 
In her imagination, Cassie has the freedom to be whoever she wants. She can own the tallest skyscrapers and the longest bridges.
I can fly—yes, fly. Me, Cassie Lightfoot, only eight years old and in the third grade, and I can fly. That means I am free to go wherever I want for the rest of my life. 
Why is it important for Cassie to believe that she can go wherever she wants?
But still he can't join the union because Grandpa wasn't a member. 
It sounds like Daddy is trapped in a bad situation at work.
Tonight we're going up to Tar Beach. Mommy is roasting peanuts and frying chicken, and Daddy will bring home a watermelon. 
Sounds a lot like a picnic, right? Cassie and her family have a little piece of urban paradise.
I have told him it's very easy, anyone can fly. 
Cassie's a good role model for her little bro, showing him the ropes with the whole power-of-flight thing.
All you need is somewhere to go that you can't get to any other way. 
Cassie takes the impossible—somewhere to go that you can't get to any other way—and makes it happen. You can tell she's going to go far in life.