Our Level 13: Grey Book Bands collection has been specially designed to target more advanced and confident readers introducing more complex storylines and sophisticated vocabulary to challenge and broaden their literary skills. Featuring 10 of our most exciting titles suited to this skill level this collection is an ideal choice for independent readers who are comfortable reading fiction content with more sophisticated language.Be sure to check out our huge variety of Book Band collections which are all graded by experts and come with free fitted stickers!Please Note - There are additional charges for delivery outside mainland UK