Shadow Crystals is an YA epic fantasy in the Under the Mountain Series She will do anything to save her people. Desperate measures are needed to get food to the Caverns before the food run out. Delvina, Zadeki and the delegation lead by Danel have braved danger and travelled across the oean to seek answers to the Darane's dilemma, but they find the Lonely Isles in turmoil. Will Delvina find the way to open the Gate in time to prevent her people from starving? Will she be reunited with her twin, Retza. And why are the Forest Folk so secretive? As tensions increase, Delvina must discern friend from foe and defeat the shadows in her own heart. Join Delvina and her friends on their quest to save the Glittering Realm under the mountain. Shadow Crystals is the fourth and penultimate novella in the Under the Mountain series. It is set in the world of Nardva.