How an idea becomes a book
Ambrotype of Henry David Thoreau taken in August 1861, when he was 44 years old. He died 150 years ago, on May 6, 1862.

Ambrotype of Henry David Thoreau taken in August 1861, when he was 44 years old. He died 150 years ago, on May 6, 1862.

One of the three daguerreotypes taken in June, 1856, when Henry David Thoreau was 39 years old. He died 150 years ago, on May 6, 1862.

One of the three daguerreotypes taken in June, 1856, when Henry David Thoreau was 39 years old. He died 150 years ago, on May 6, 1862.

Henry David Thoreau died 150 years ago, on May 6, 1862.

Henry David Thoreau died 150 years ago, on May 6, 1862.