Instruct: Classify Amazon reviews into positive or negative sentiment
Query: History of science

This book is a biography of geneticist Barbara McClintock. Keller is a scholar and researcher with a special interest in women scientists. In this book, she presents the life and work of Barbara McClintock. She explains the importance of McClintock's work and her incredible ability to observe of genetic variation from the physical appearance of plants. She also details the context of McClintock's work, noting the difficulties McClintock faced in pushing her research program forward in an academic world that had no room for women scientists. The book is quite interesting for bringing to light McClintock's discoveries regarding gene transposition, as well as for its description of the special challenges McClintock faced as a woman trying to work in a man's world.