Hidden Stonehenge is an absorbing new version of Professor Freeman’s 2009 book Canada’s Stonehenge, which has been expanded to describe further unsettling discoveries about Stonehenge, Majorville and other sites which reflect solar and lunar calendars.

Hidden Stonehenge: Ancient Temple in North America Reveals the Key to Ancient Wonders, by Gordon Freeman, 9781780280950, pb, £14.99

Hidden Stonehenge: Ancient Temple in North America Reveals the Key to Ancient Wonders