The Dollanganger Series is a collection of novels written by author V.C. Andrews. The series begins with the book "Flowers in the Attic," published in 1979, and follows the lives of the Dollanganger children, who face tragic circumstances after the death of their father. The story explores themes of family, betrayal, and the impact of dark secrets. The series continues with several sequels, including "Petals on the Wind," "If There Be Thorns," and "Seeds of Yesterday." Each book delves deeper into the complex relationships and struggles of the characters, particularly focusing on the psychological effects of their upbringing and the haunting legacy of their family's past.