(Tiki) Easter Island: The Riddle of the Moving Statues. By Hannah Bloch. Photos by Randy Olson. National Geographic, Vol. 222, No. 1. July, 2012. 8vo. 138pp., prof. illustrated in color, maps. Color illust. wraps., front cover slightly rubbed, else no address label, generally Good. Article is page 30-49, fold out photos; Well written.