Bridge to Terabithia. Katherine Paterson (Puffin Books)

Thisis the story of a special friendship between a two lonely children, Jess and Leslie. Together they create an imaginary land called Terabithia, which they reach by swinging over a creek on a rope. In this wonderland they seek escape from the difficulties of the real world and also learn how to cope. Until one day, tragedy strikes andtheir imaginary world is seemingly torn apart forever.