02/19/2013 at 08:00 AM EST
Jenni Rivera's legions of fans will receive an unexpected gift this summer – a memoir from the late singer, which she completed before her tragic death
at age 43 in a plane crash in December.
The book, titled Unbreakable
, will be published in both English and Spanish in July by Simon & Schuster's Atria Books imprint, the Associated Press reports.
The Mexican American singer's sister, Rosie Rivera, said the memoir captures her sister's indomitable spirit.
"I miss my sister every moment, but on days that I want to feel her close, I open her book written in her own words, and feel her right next to me," she said in a statement from Atria.
will allow fans to "enjoy her as we have," she added.
Atria said the book provides "an intimate look into the heart and soul of this self-made woman, who ascended to the top of the charts against all odds, becoming a legend in a completely male dominated music category."