Complex sentence: In 2012, Pérez wrote a book about how he and Selena first met and their relationship entitled "To Selena, With Love", which received a positive reception among critics and gained approval from fans.
Split into simpler sentences: In 2012, Pérez wrote a book about how he and Selena first met and their relationship entitled "To Selena, With Love". The book received a positive reception among critics and gained approval from fans.