We Never Asked for Wings by Venessa Diffenbaugh

Letty Spinosa doesn't know how to be a mother. Instead, her mother has parented her two children, and Letty has partied and worked two jobs to support the family. But her father decides to return to his home in Mexico and her mother joins him. Letty struggles to understand her children and become a parent.

Her son Alex is a young teenager with dreams of his own. Six year old Luna just wants to be loved and cared for by her mother. As Letty begins to mature, life gets complicated when Alex's father comes into the the picture. Letty never told him she was pregnant. Slowly they become a family, and Letty finds she likes being a mother.

Diffenbaugh is the bestselling author of The Language of Flowers.