Stone in the Sky is a science fiction chapter book that continues the story from Tin Star. The discovery of a valuable resource on a desolate planet beneath the Yertina Feray space station propels the station into the complex world of intergalactic politics. This book offers an adventurous and potentially suspenseful narrative, ideal for independent readers aged 8-11 who enjoy space-themed stories and political intrigue. It can also be a compelling read-aloud for younger science fiction enthusiasts.