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 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 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: - 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 and develop their knowledge of the world around them.