Read "Mansfield Park" by Austen, Jane for free. A classic public domain work covering adoptees -- fiction, children of the rich -- fiction, country homes -- fiction. Available in full text from Project Gutenberg.
Adoptees -- Fiction
Children of the rich -- Fiction
Country homes -- Fiction
Cousins -- Fiction
Domestic fiction
England -- Fiction
Love stories
Uncles -- Fiction
Young women -- Fiction
This book is in the public domain. Free to read and download from Project Gutenberg.