Heidi loves living with her grandfather, high in the mountains. But then her aunt arrives to drag her off to the stifling city.'I'll never forget Grandfather,' Heidi promises herself. 'One day I'll come back to him'Series Two titles are for children who are reading more confidently, and are 64 pages (2000-2500 words) They use varied sentence lengths, more complex sentence and more challenging vocabulary.Series Two books contain a single narrative divided into chapters. Subjects include classic tales and myths, mystery stories and non-fiction.Young Reading CD audio pack make the story come alive. Each CD contains two readings: first, a dramatic listen-along version, complete with specially composed music, sound effects and superbly characterised readings; then a more measured, read-along version - without sound effects but with a page-turn indicator - designed to be played as a child follows the story in the accompanying book.