Axel dreams of joining the Order of the Sky Watchers, who guard the ancient Observatory. When the alchemist Hildreth vanishes beyond a strange moonbow, Scout's grandfather - a member of the Order - is blamed. Axel knows there's more to it. To find out the truth, Axel, Scout and Nettle follow the moonbow and find Starless, a shadowy world of legend. This KS2 reading book is from Readerful's Independent Library. It is for children aged 9 to 10 to read without support. Readerful is a reading library specially designed to motivate children to read more. The series offers contemporary, inclusive books for children from 4 to 11 years, including: Books for Sharing: picture books to be read aloud by an adult for inspiring reading sessions Independent Library: fiction, graphic texts, character mini-series and non-fiction for children to read independently Rise: fully decodable books for older struggling readers to read independently. How Readerful works: - Read aloud the Books for Sharing for magical reading sessions that motivate children to read more. - Then encourage children to choose a book to read by themselves, from Readerful's Independent Library or from Rise. You'll find links between the books' topics, vocabulary, characters and authors - all designed to keep children reading, boost their vocabulary, strengthen their comprehension skills, and deepen their understanding of the world around them.