In "Double Helix" by Nancy Werlin, the story follows Eli Sammler, a high school student struggling with the impact of his family history and his own identity. When Eli receives a summer internship at a genetics research facility run by a mysterious scientist, he becomes immersed in the complexities of genetic engineering. As he uncovers secrets about his family's volatile past and his own potential, he faces moral dilemmas regarding the boundaries of science and ethical responsibility. The narrative explores themes of family, love, and the interplay between nature and nurture, culminating in a gripping exploration of what it means to be human. [Generated by language model - please report any problems].

This book is the winner of numerous awards

This book features in the following series: Puffin, Puffin Sleuth Novels .

This book has been graded for interest at 12-17 years.

There are 256 pages in this book.

It is aimed at Young Adult readers. The term Young Adult (YA) is used for books which have the following characteristics: (1) aimed at ages 12-18 years, US grades 7-12, UK school years 8-15, (2) around 50-75k words long, (3) main character is aged 12-18 years, (4) topics include self-reflection, internal conflict vs external, analyzing life and its meaning, (5) point of view is often in the first person, and (6) swearing, violence, romance and sexuality are allowed.

This book was published in 2005 by Turtleback Books .

Nancy Werlin is the New York Times bestselling and award-winning author of The Killer's Cousin , Rules of Survival , Black Mirror , Impossible , and a host of other young adult novels. She lives in Massachusetts.