Bestselling author P. B. Kerr is back with a fifth book in his highly imaginative and magical CHILDREN OF THE LAMP series In their latest adventure, John and Philippa Gaunt find themselves tangled up in a spellbinding mystery that takes them deep into the heart of the Amazon jungle in book five of the NY TIMES bestselling Children of the Lamp series. When a collection of Incan artifacts goes missing, the Blue Djinn of Babylon dispatches the twins...