The product is a lot of 4 Ellen Hopkins books including "Impulse," "Glass," "Burned," and "Crank." These paperback books are intended for young adults and adults, with a focus on fiction and drama genres. The author's style explores themes of glass and features an adult and erotic narrative. The books are in English and were published in the United States by Books publisher. This collection offers readers a compelling and thought-provoking literary experience from a renowned author in the genre.