In any case , James 's late-in-life masterpiece was far from chilly England : Las Pozas , an extraordinary folly of more than 200 structures curling through the rainforest in Xilitla , Mexico , that is the subject of SURREAL EDEN : EDWARD JAMES AND LAS POZAS by Margaret Hooks -LRB- Princeton Architectural Press , $ 39.95 -RRB- .