Holocene book review: Changing Cold Environments: A Canadian PerspectiveFrenchHughSlaymakerOlav (editors) Changing Cold Environments: A Canadian PerspectiveOxford: Wiley-Blackwell, 2011, 340 pp. \\pounds32.50/€39.00/CDN$74.95, paperback. ISBN 978-0-47069-969-0.