Exotic gems. Volume 4, How to identify, evaluate & select jade & abalone pearls / Renée Newman

Exotic gems. Volume 3, How to identify, evaluate, select and care for matrix opal, fire agate, blue chalcedony, rubellite indicolite, paraiba and other tourmalines / Renee Newman

Exotic gems. Volume 2, How to identify and buy alexandrite, andalusite, chrysoberyl cat's-eye, kyanite, common opal, fire opal, dinosaur gembone, tsavorite, rhodolite & other garnets / Renee Newman

Exotic gems. Volume 1, How to identify and buy tanzanite, ammolite, rhodochrosite, zultanite, sunstone, moonstone & other feldspars / Renee Newman