The 3rd thrilling instalment in this saga about polar bears, from the creators of the hugely successful "Warrior Cats" series. Combining danger and adventure with a deeper, mystical element, these stories really capture the young imagination. Ages: 9+

Erin Hunter is actually not one, but four people. Kate Cary, Cherith Baldry and Victoria Holmes, who all live in the UK, and worked together to create the bestselling Warrior series. For Seekers, they have been joined by American writer Tui Sutherland, further developing the universal feel of this series.