Dive deep underwater in the third Shackleton adventure!Shackleton and Fisher test out their brand new sea-pod by exploring the mysterious Mariana Trench. They're excited to travel to the deepest part of the ocean, but they're in for a big surprise! There are creatures hiding in the deep ...This book is from Readerful's Independent Library. It is for children aged 7 to 8 to read without support. Readerful: Inspiring Children to Read MoreReaderful is a specially designed reading library that motivates children aged 4-11 to develop a lifelong love of reading. The series offers contemporary, inclusive books across three key collections: Books for Sharing: Picture books to be read aloud by an adult for inspiring reading sessionsIndependent Library: Fiction, graphic texts, character mini-series and non-fiction for children to read independentlyRise: Fully decodable books for older struggling readers to read independently.How Readerful works: &#8226 Read aloud the Books for Sharing for magical reading sessions that motivate children to read more. &#8226 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 and develop their knowledge of the world around them.