When Ivar decides he's going to be The Greatest Viking Ever, he sets off on a sea-voyage and drags his reluctant brother, Olaf, along with him.Can Ivar survive a storm, a troll and a wolf? Or will Olaf need to come to the rescue ...? Children will love this adventurous tale about brotherly love. Oxford Reading Tree Story Sparks is an emotionally-engaging fiction series that will fire children's imaginations.These 36 original stories will get children thinking, and develop and deepen their comprehension skills.The variety of authors and illustration styles broadens children's reading experience, with something to appeal to every child.All the books in the series are carefully levelled, so it's easy to match every child to the right book for them.They also contain inside cover notes, to enable parents and teachers to support children in their reading.Help with children's reading development is also available at www.oxfordowl.co.uk.