The Environment in Rachel Carson's Silent Spring Library Bound Book eBook Paperback Book Library Bound Book List: $48.03 / S&L: $38.42 eBook List: $52.66 / S&L: $42.13 Paperback Book List: $33.00 / S&L: $26.40 Reading Level: 10-12+ Interest Level: 10-12+ Product type: Library Bound Book ISBN: 978-0-7377-5815-3 Copyright: 2012 Language: English