Unlike nearly all science books which tell of successful ventures and satisfactory conclusions, this book reveals the harsher but more common side of scientific research. Written by one of this century's most distinguished small mammal ecologists, it is both a personal history of and an apology for a life in science spent working on problems for which no final dramatic closure was reached. Included along the way are important anecdotes and history about Charles Elton and his pioneering work at the Bureau of Animal Population at Oxford University, from which much of modern population has grown, and insights on the philosophy and practice of science. This eye-opening account of a scientific career should be read by everyone in life sciences or the history and philosophy of science.