The Book of Broken Hearts

Ockler, S. (n.d.). The Book of Broken Hearts.   

Jude is the only sister left living at home.  She spends her last summer caring for her ailing father who is suffering from Alzheimer's.  Jude decides to get her father's beloved bike fixed in order to help him feel better.  The only mechanic they can afford is a Vargas boy.  Jude has sworn to never become involved with Vargas boys, because two have already broken two of her sisters' hearts,  She soon finds Emilio to be different.  He is sweet, caring, 
and becomes someone to lean on while she deals with the 
emotional issues of caring for her father.  Emily decides to listen to her heart and take a chance with Emilio, with no regrets.
Illness and family are big themes in this book.  Jude sacrifices her 
last summer to take care of her ailing father.  She is loyal and 
committed to helping him.