In The Money — Beverly Sommers

Let other
girls play the dating game, think only of boys and clothes and
pretend they liked football, dance up a storm â€" Mickey had more
in her gourd. With the money she'd made selling her computer
game to a company, she planned to buy a house all her own.
Now all she had to do was convince her parents and deal with pesky
Danny Flynn, who seemed to be bugging her all the time. She found
that she could handle her parents, but Danny that was another
story. Why did he persistently feel that he knew all the answers?
Worse yet, how come she found herself occationally agreeing
with him? It was all very unsettling…