The day the sky went boom!

Best friends Looga and Barooga are off on another adventure!

When Looga discovers that Barooga is afraid of storms, she uses her imagination to whisk them up into the clouds to find out where thunder comes from.

Meet dragons, giants, clowns and an ice queen in this exuberant comic-strip adventure!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.